20517848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6803}}^1$

素因数の和:6851

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 22347352

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6803, 13606, 27212, 54424, 88439, 176878, 197287, 353756, 394574, 707512, 789148, 1578296, 2564731, 5129462, 10258924, 20517848]

約数ペア:

[(1, 20517848), (2, 10258924), (4, 5129462), (8, 2564731), (13, 1578296), (26, 789148), (29, 707512), (52, 394574), (58, 353756), (104, 197287), (116, 176878), (232, 88439), (377, 54424), (754, 27212), (1508, 13606), (3016, 6803)]