20183312

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 40

約数和(自身を含む): 40265280

約数和(自身を除く): 20081968

約数列:

[1, 2, 4, 8, 16, 71, 109, 142, 163, 218, 284, 326, 436, 568, 652, 872, 1136, 1304, 1744, 2608, 7739, 11573, 15478, 17767, 23146, 30956, 35534, 46292, 61912, 71068, 92584, 123824, 142136, 185168, 284272, 1261457, 2522914, 5045828, 10091656, 20183312]

約数ペア:

[(1, 20183312), (2, 10091656), (4, 5045828), (8, 2522914), (16, 1261457), (71, 284272), (109, 185168), (142, 142136), (163, 123824), (218, 92584), (284, 71068), (326, 61912), (436, 46292), (568, 35534), (652, 30956), (872, 23146), (1136, 17767), (1304, 15478), (1744, 11573), (2608, 7739)]