20518576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4289}}^1$

素因数の和:4333

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 24166064

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4289, 4784, 8578, 17156, 34312, 55757, 68624, 98647, 111514, 197294, 223028, 394588, 446056, 789176, 892112, 1282411, 1578352, 2564822, 5129644, 10259288, 20518576]

約数ペア:

[(1, 20518576), (2, 10259288), (4, 5129644), (8, 2564822), (13, 1578352), (16, 1282411), (23, 892112), (26, 789176), (46, 446056), (52, 394588), (92, 223028), (104, 197294), (184, 111514), (208, 98647), (299, 68624), (368, 55757), (598, 34312), (1196, 17156), (2392, 8578), (4289, 4784)]