Q: What is the sum of all factors of the number 20,720 including 20,720?
A: 56,544
The factors of the number 20,720 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10360, 20720.
If you add them up, you will get the total of 56,544.