20939418445

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{165601}}^1$

素因数の和:165658

約数の個数: 32

約数和(自身を含む): 29092959360

約数和(自身を除く): 8153540915

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1331, 2299, 6655, 11495, 25289, 126445, 165601, 828005, 1821611, 3146419, 9108055, 15732095, 20037721, 34610609, 100188605, 173053045, 220414931, 380716699, 1102074655, 1903583495, 4187883689, 20939418445]

約数ペア:

[(1, 20939418445), (5, 4187883689), (11, 1903583495), (19, 1102074655), (55, 380716699), (95, 220414931), (121, 173053045), (209, 100188605), (605, 34610609), (1045, 20037721), (1331, 15732095), (2299, 9108055), (6655, 3146419), (11495, 1821611), (25289, 828005), (126445, 165601)]