Q: What is the sum of all factors of the number 20,644 excluding 20,644?
A: 18,360
The factors of the number 20,644 are: 1, 2, 4, 13, 26, 52, 397, 794, 1588, 5161, 10322, 20644.
If you add them up, you will get the total of 20,662. Now subtract 20,644 to get 18,360