Q: What is the sum of all factors of the number 20,445 excluding 20,445?
A: 14,115
The factors of the number 20,445 are: 1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 4089, 6815, 20445.
If you add them up, you will get the total of 20,459. Now subtract 20,445 to get 14,115