Q: What is the sum of all factors of the number 25,425 excluding 25,425?
A: 20,517
The factors of the number 25,425 are: 1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 1017, 1695, 2825, 5085, 8475, 25425.
If you add them up, you will get the total of 25,445. Now subtract 25,425 to get 20,517