Q: What is the sum of all factors of the number 27,820 including 27,820?
A: 63,504
The factors of the number 27,820 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 13910, 27820.
If you add them up, you will get the total of 63,504.