20931352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11839}}^1$

素因数の和:11875

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 23823848

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11839, 23678, 47356, 94712, 153907, 201263, 307814, 402526, 615628, 805052, 1231256, 1610104, 2616419, 5232838, 10465676, 20931352]

約数ペア:

[(1, 20931352), (2, 10465676), (4, 5232838), (8, 2616419), (13, 1610104), (17, 1231256), (26, 805052), (34, 615628), (52, 402526), (68, 307814), (104, 201263), (136, 153907), (221, 94712), (442, 47356), (884, 23678), (1768, 11839)]