Q: What is the sum of all factors of the number 20,397 excluding 20,397?
A: 8,947
The factors of the number 20,397 are: 1, 3, 13, 39, 523, 1569, 6799, 20397.
If you add them up, you will get the total of 20,405. Now subtract 20,397 to get 8,947