20672872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{677}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 42469920

約数和(自身を除く): 21797048

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 347, 677, 694, 1354, 1388, 2708, 2776, 3817, 5416, 7447, 7634, 14894, 15268, 29788, 30536, 59576, 234919, 469838, 939676, 1879352, 2584109, 5168218, 10336436, 20672872]

約数ペア:

[(1, 20672872), (2, 10336436), (4, 5168218), (8, 2584109), (11, 1879352), (22, 939676), (44, 469838), (88, 234919), (347, 59576), (677, 30536), (694, 29788), (1354, 15268), (1388, 14894), (2708, 7634), (2776, 7447), (3817, 5416)]