31866220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22441}}^1$

素因数の和:22521

約数の個数: 24

約数和(自身を含む): 67864608

約数和(自身を除く): 35998388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 22441, 44882, 89764, 112205, 224410, 448820, 1593311, 3186622, 6373244, 7966555, 15933110, 31866220]

約数ペア:

[(1, 31866220), (2, 15933110), (4, 7966555), (5, 6373244), (10, 3186622), (20, 1593311), (71, 448820), (142, 224410), (284, 112205), (355, 89764), (710, 44882), (1420, 22441)]