20687368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11701}}^1$

素因数の和:11737

約数の個数: 32

約数和(自身を含む): 44233560

約数和(自身を除く): 23546192

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11701, 23402, 46804, 93608, 152113, 198917, 304226, 397834, 608452, 795668, 1216904, 1591336, 2585921, 5171842, 10343684, 20687368]

約数ペア:

[(1, 20687368), (2, 10343684), (4, 5171842), (8, 2585921), (13, 1591336), (17, 1216904), (26, 795668), (34, 608452), (52, 397834), (68, 304226), (104, 198917), (136, 152113), (221, 93608), (442, 46804), (884, 23402), (1768, 11701)]