20937770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2647}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 43469568

約数和(自身を除く): 22531798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2647, 3955, 5294, 7910, 13235, 18529, 26470, 37058, 92645, 185290, 299111, 598222, 1495555, 2093777, 2991110, 4187554, 10468885, 20937770]

約数ペア:

[(1, 20937770), (2, 10468885), (5, 4187554), (7, 2991110), (10, 2093777), (14, 1495555), (35, 598222), (70, 299111), (113, 185290), (226, 92645), (565, 37058), (791, 26470), (1130, 18529), (1582, 13235), (2647, 7910), (3955, 5294)]