20187881012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2281}}^1\times {\mathrm{5869}}^1$

素因数の和:8196

約数の個数: 48

約数和(自身を含む): 39382299600

約数和(自身を除く): 19194418588

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 2281, 4562, 5869, 9124, 11738, 23476, 29653, 59306, 66149, 76297, 118612, 132298, 152594, 170201, 264596, 305188, 340402, 680804, 859937, 1719874, 2212613, 3439748, 4425226, 8850452, 13387189, 26774378, 53548756, 174033457, 348066914, 388228481, 696133828, 776456962, 1552913924, 5046970253, 10093940506, 20187881012]

約数ペア:

[(1, 20187881012), (2, 10093940506), (4, 5046970253), (13, 1552913924), (26, 776456962), (29, 696133828), (52, 388228481), (58, 348066914), (116, 174033457), (377, 53548756), (754, 26774378), (1508, 13387189), (2281, 8850452), (4562, 4425226), (5869, 3439748), (9124, 2212613), (11738, 1719874), (23476, 859937), (29653, 680804), (59306, 340402), (66149, 305188), (76297, 264596), (118612, 170201), (132298, 152594)]