9990620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11617}}^1$

素因数の和:11669

約数の個数: 24

約数和(自身を含む): 21470064

約数和(自身を除く): 11479444

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 11617, 23234, 46468, 58085, 116170, 232340, 499531, 999062, 1998124, 2497655, 4995310, 9990620]

約数ペア:

[(1, 9990620), (2, 4995310), (4, 2497655), (5, 1998124), (10, 999062), (20, 499531), (43, 232340), (86, 116170), (172, 58085), (215, 46468), (430, 23234), (860, 11617)]