20218305820

素因数分解:

$2^2\times 5^1\times {\mathrm{23531}}^1\times {\mathrm{42961}}^1$

素因数の和:66501

約数の個数: 24

約数和(自身を含む): 42461234928

約数和(自身を除く): 22242929108

約数列:

[1, 2, 4, 5, 10, 20, 23531, 42961, 47062, 85922, 94124, 117655, 171844, 214805, 235310, 429610, 470620, 859220, 1010915291, 2021830582, 4043661164, 5054576455, 10109152910, 20218305820]

約数ペア:

[(1, 20218305820), (2, 10109152910), (4, 5054576455), (5, 4043661164), (10, 2021830582), (20, 1010915291), (23531, 859220), (42961, 470620), (47062, 429610), (85922, 235310), (94124, 214805), (117655, 171844)]