20138582

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3833}}^1$

素因数の和:3943

約数の個数: 16

約数和(自身を含む): 31469472

約数和(自身を除く): 11330890

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3833, 5254, 7666, 141821, 272143, 283642, 544286, 10069291, 20138582]

約数ペア:

[(1, 20138582), (2, 10069291), (37, 544286), (71, 283642), (74, 272143), (142, 141821), (2627, 7666), (3833, 5254)]