202800620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{921821}}^1$

素因数の和:921841

約数の個数: 24

約数和(自身を含む): 464598288

約数和(自身を除く): 261797668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 921821, 1843642, 3687284, 4609105, 9218210, 10140031, 18436420, 20280062, 40560124, 50700155, 101400310, 202800620]

約数ペア:

[(1, 202800620), (2, 101400310), (4, 50700155), (5, 40560124), (10, 20280062), (11, 18436420), (20, 10140031), (22, 9218210), (44, 4609105), (55, 3687284), (110, 1843642), (220, 921821)]