Q: What is the sum of all factors of the number 20,723 excluding 20,723?
A: 2,605
The factors of the number 20,723 are: 1, 17, 23, 53, 391, 901, 1219, 20723.
If you add them up, you will get the total of 20,725. Now subtract 20,723 to get 2,605