20572108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4261}}^1$

素因数の和:4353

約数の個数: 24

約数和(自身を含む): 38664864

約数和(自身を除く): 18092756

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4261, 4828, 8522, 17044, 72437, 144874, 289748, 302531, 605062, 1210124, 5143027, 10286054, 20572108]

約数ペア:

[(1, 20572108), (2, 10286054), (4, 5143027), (17, 1210124), (34, 605062), (68, 302531), (71, 289748), (142, 144874), (284, 72437), (1207, 17044), (2414, 8522), (4261, 4828)]