20417518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 14253074

約数列:

[1, 2, 11, 22, 43, 86, 113, 191, 226, 382, 473, 946, 1243, 2101, 2486, 4202, 4859, 8213, 9718, 16426, 21583, 43166, 53449, 90343, 106898, 180686, 237413, 474826, 928069, 1856138, 10208759, 20417518]

約数ペア:

[(1, 20417518), (2, 10208759), (11, 1856138), (22, 928069), (43, 474826), (86, 237413), (113, 180686), (191, 106898), (226, 90343), (382, 53449), (473, 43166), (946, 21583), (1243, 16426), (2101, 9718), (2486, 8213), (4202, 4859)]