20186661508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{639547}}^1$

素因数の和:640171

約数の個数: 24

約数和(自身を含む): 38106828032

約数和(自身を除く): 17920166524

約数列:

[1, 2, 4, 13, 26, 52, 607, 1214, 2428, 7891, 15782, 31564, 639547, 1279094, 2558188, 8314111, 16628222, 33256444, 388205029, 776410058, 1552820116, 5046665377, 10093330754, 20186661508]

約数ペア:

[(1, 20186661508), (2, 10093330754), (4, 5046665377), (13, 1552820116), (26, 776410058), (52, 388205029), (607, 33256444), (1214, 16628222), (2428, 8314111), (7891, 2558188), (15782, 1279094), (31564, 639547)]