Q: What is the sum of all factors of the number 20,646 excluding 20,646?
A: 26,778
The factors of the number 20,646 are: 1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1147, 2294, 3441, 6882, 10323, 20646.
If you add them up, you will get the total of 20,672. Now subtract 20,646 to get 26,778