20654264

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19780936

約数列:

[1, 2, 4, 8, 29, 58, 116, 127, 232, 254, 508, 701, 1016, 1402, 2804, 3683, 5608, 7366, 14732, 20329, 29464, 40658, 81316, 89027, 162632, 178054, 356108, 712216, 2581783, 5163566, 10327132, 20654264]

約数ペア:

[(1, 20654264), (2, 10327132), (4, 5163566), (8, 2581783), (29, 712216), (58, 356108), (116, 178054), (127, 162632), (232, 89027), (254, 81316), (508, 40658), (701, 29464), (1016, 20329), (1402, 14732), (2804, 7366), (3683, 5608)]