20388610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10903}}^1$

素因数の和:10938

約数の個数: 32

約数和(自身を含む): 42394752

約数和(自身を除く): 22006142

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10903, 21806, 54515, 109030, 119933, 185351, 239866, 370702, 599665, 926755, 1199330, 1853510, 2038861, 4077722, 10194305, 20388610]

約数ペア:

[(1, 20388610), (2, 10194305), (5, 4077722), (10, 2038861), (11, 1853510), (17, 1199330), (22, 926755), (34, 599665), (55, 370702), (85, 239866), (110, 185351), (170, 119933), (187, 109030), (374, 54515), (935, 21806), (1870, 10903)]