20781329866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{6343}}^1\times {\mathrm{148921}}^1$

素因数の和:155277

約数の個数: 16

約数和(自身を含む): 34011402048

約数和(自身を除く): 13230072182

約数列:

[1, 2, 11, 22, 6343, 12686, 69773, 139546, 148921, 297842, 1638131, 3276262, 944605903, 1889211806, 10390664933, 20781329866]

約数ペア:

[(1, 20781329866), (2, 10390664933), (11, 1889211806), (22, 944605903), (6343, 3276262), (12686, 1638131), (69773, 297842), (139546, 148921)]