201620082220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325193681}}^1$

素因数の和:325193721

約数の個数: 24

約数和(自身を含む): 437060308608

約数和(自身を除く): 235440226388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325193681, 650387362, 1300774724, 1625968405, 3251936810, 6503873620, 10081004111, 20162008222, 40324016444, 50405020555, 100810041110, 201620082220]

約数ペア:

[(1, 201620082220), (2, 100810041110), (4, 50405020555), (5, 40324016444), (10, 20162008222), (20, 10081004111), (31, 6503873620), (62, 3251936810), (124, 1625968405), (155, 1300774724), (310, 650387362), (620, 325193681)]