2021889155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{20641}}^1$

素因数の和:20807

約数の個数: 32

約数和(自身を含む): 2871384768

約数和(自身を除く): 849495613

約数列:

[1, 5, 11, 13, 55, 65, 137, 143, 685, 715, 1507, 1781, 7535, 8905, 19591, 20641, 97955, 103205, 227051, 268333, 1135255, 1341665, 2827817, 2951663, 14139085, 14758315, 31105987, 36761621, 155529935, 183808105, 404377831, 2021889155]

約数ペア:

[(1, 2021889155), (5, 404377831), (11, 183808105), (13, 155529935), (55, 36761621), (65, 31105987), (137, 14758315), (143, 14139085), (685, 2951663), (715, 2827817), (1507, 1341665), (1781, 1135255), (7535, 268333), (8905, 227051), (19591, 103205), (20641, 97955)]