20112280

素因数分解:

$2^3\times 5^1\times {\mathrm{502807}}^1$

素因数の和:502818

約数の個数: 16

約数和(自身を含む): 45252720

約数和(自身を除く): 25140440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502807, 1005614, 2011228, 2514035, 4022456, 5028070, 10056140, 20112280]

約数ペア:

[(1, 20112280), (2, 10056140), (4, 5028070), (5, 4022456), (8, 2514035), (10, 2011228), (20, 1005614), (40, 502807)]