20129428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1583}}^1$

素因数の和:1632

約数の個数: 36

約数和(自身を含む): 40848192

約数和(自身を除く): 20718764

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1583, 3166, 3179, 6332, 6358, 12716, 17413, 26911, 34826, 53822, 69652, 107644, 296021, 457487, 592042, 914974, 1184084, 1829948, 5032357, 10064714, 20129428]

約数ペア:

[(1, 20129428), (2, 10064714), (4, 5032357), (11, 1829948), (17, 1184084), (22, 914974), (34, 592042), (44, 457487), (68, 296021), (187, 107644), (289, 69652), (374, 53822), (578, 34826), (748, 26911), (1156, 17413), (1583, 12716), (3166, 6358), (3179, 6332)]