20577956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2543}}^1$

素因数の和:2588

約数の個数: 36

約数和(自身を含む): 43736448

約数和(自身を除く): 23158492

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2543, 4046, 5086, 8092, 10172, 17801, 35602, 43231, 71204, 86462, 172924, 302617, 605234, 734927, 1210468, 1469854, 2939708, 5144489, 10288978, 20577956]

約数ペア:

[(1, 20577956), (2, 10288978), (4, 5144489), (7, 2939708), (14, 1469854), (17, 1210468), (28, 734927), (34, 605234), (68, 302617), (119, 172924), (238, 86462), (289, 71204), (476, 43231), (578, 35602), (1156, 17801), (2023, 10172), (2543, 8092), (4046, 5086)]