20145802070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2213}}^1\times {\mathrm{31391}}^1$

素因数の和:33640

約数の個数: 32

約数和(自身を含む): 37531019520

約数和(自身を除く): 17385217450

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 2213, 4426, 11065, 22130, 31391, 62782, 64177, 128354, 156955, 313910, 320885, 641770, 910339, 1820678, 4551695, 9103390, 69468283, 138936566, 347341415, 694682830, 2014580207, 4029160414, 10072901035, 20145802070]

約数ペア:

[(1, 20145802070), (2, 10072901035), (5, 4029160414), (10, 2014580207), (29, 694682830), (58, 347341415), (145, 138936566), (290, 69468283), (2213, 9103390), (4426, 4551695), (11065, 1820678), (22130, 910339), (31391, 641770), (62782, 320885), (64177, 313910), (128354, 156955)]