20157915

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12329}}^1$

素因数の和:12446

約数の個数: 16

約数和(自身を含む): 32551200

約数和(自身を除く): 12393285

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12329, 36987, 61645, 184935, 1343861, 4031583, 6719305, 20157915]

約数ペア:

[(1, 20157915), (3, 6719305), (5, 4031583), (15, 1343861), (109, 184935), (327, 61645), (545, 36987), (1635, 12329)]