20518414

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31183}}^1$

素因数の和:31239

約数の個数: 16

約数和(自身を含む): 35923968

約数和(自身を除く): 15405554

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 31183, 62366, 218281, 436562, 1465601, 2931202, 10259207, 20518414]

約数ペア:

[(1, 20518414), (2, 10259207), (7, 2931202), (14, 1465601), (47, 436562), (94, 218281), (329, 62366), (658, 31183)]