20346509740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1\times {\mathrm{22031}}^1$

素因数の和:22858

約数の個数: 48

約数和(自身を含む): 43487466624

約数和(自身を除く): 23140956884

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 757, 1220, 1514, 3028, 3785, 7570, 15140, 22031, 44062, 46177, 88124, 92354, 110155, 184708, 220310, 230885, 440620, 461770, 923540, 1343891, 2687782, 5375564, 6719455, 13438910, 16677467, 26877820, 33354934, 66709868, 83387335, 166774670, 333549340, 1017325487, 2034650974, 4069301948, 5086627435, 10173254870, 20346509740]

約数ペア:

[(1, 20346509740), (2, 10173254870), (4, 5086627435), (5, 4069301948), (10, 2034650974), (20, 1017325487), (61, 333549340), (122, 166774670), (244, 83387335), (305, 66709868), (610, 33354934), (757, 26877820), (1220, 16677467), (1514, 13438910), (3028, 6719455), (3785, 5375564), (7570, 2687782), (15140, 1343891), (22031, 923540), (44062, 461770), (46177, 440620), (88124, 230885), (92354, 220310), (110155, 184708)]