20922710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51031}}^1$

素因数の和:51079

約数の個数: 16

約数和(自身を含む): 38580192

約数和(自身を除く): 17657482

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 51031, 102062, 255155, 510310, 2092271, 4184542, 10461355, 20922710]

約数ペア:

[(1, 20922710), (2, 10461355), (5, 4184542), (10, 2092271), (41, 510310), (82, 255155), (205, 102062), (410, 51031)]