You can replace the
#q=. In most contexts (though not StackOverflow answers) you can also get rid of the
%20 (encoding for a space character) can be replaced with
+ to make it shorter and easier to read.
You can even get rid of an
e in google.com, but that doesn't seem worth the possible confusion IMO. (This only works if you don't specify HTTPS - do it with the https and let it redirect you to https.)
So, I believe that the shortest simple form of the original query - without using a URshortenerer - is this:
[edit: removed the slash from '.com/#q' as per @Adám]