Q: What is the sum of all factors of the number 20,439 excluding 20,439?
A: 9,881
The factors of the number 20,439 are: 1, 3, 9, 27, 757, 2271, 6813, 20439.
If you add them up, you will get the total of 20,448. Now subtract 20,439 to get 9,881