20713310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121843}}^1$

素因数の和:121867

約数の個数: 16

約数和(自身を含む): 39477456

約数和(自身を除く): 18764146

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 121843, 243686, 609215, 1218430, 2071331, 4142662, 10356655, 20713310]

約数ペア:

[(1, 20713310), (2, 10356655), (5, 4142662), (10, 2071331), (17, 1218430), (34, 609215), (85, 243686), (170, 121843)]