20172808

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 39024000

約数和(自身を除く): 18851192

約数列:

[1, 2, 4, 8, 59, 79, 118, 158, 236, 316, 472, 541, 632, 1082, 2164, 4328, 4661, 9322, 18644, 31919, 37288, 42739, 63838, 85478, 127676, 170956, 255352, 341912, 2521601, 5043202, 10086404, 20172808]

約数ペア:

[(1, 20172808), (2, 10086404), (4, 5043202), (8, 2521601), (59, 341912), (79, 255352), (118, 170956), (158, 127676), (236, 85478), (316, 63838), (472, 42739), (541, 37288), (632, 31919), (1082, 18644), (2164, 9322), (4328, 4661)]