Q: What is the sum of all factors of the number 1,423,820 including 1,423,820?
A: 2,990,064
The factors of the number 1,423,820 are: 1, 2, 4, 5, 10, 20, 71191, 142382, 284764, 355955, 711910, 1423820.
If you add them up, you will get the total of 2,990,064.