20180967208

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{1031}}^1\times {\mathrm{40111}}^1$

素因数の和:41209

約数の個数: 32

約数和(自身を含む): 38497893120

約数和(自身を除く): 18316925912

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 1031, 2062, 4124, 8248, 40111, 62891, 80222, 125782, 160444, 251564, 320888, 503128, 2446771, 4893542, 9787084, 19574168, 41354441, 82708882, 165417764, 330835528, 2522620901, 5045241802, 10090483604, 20180967208]

約数ペア:

[(1, 20180967208), (2, 10090483604), (4, 5045241802), (8, 2522620901), (61, 330835528), (122, 165417764), (244, 82708882), (488, 41354441), (1031, 19574168), (2062, 9787084), (4124, 4893542), (8248, 2446771), (40111, 503128), (62891, 320888), (80222, 251564), (125782, 160444)]