20007845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27983}}^1$

素因数の和:28012

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 8200027

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27983, 139915, 307813, 363779, 1539065, 1818895, 4001569, 20007845]

約数ペア:

[(1, 20007845), (5, 4001569), (11, 1818895), (13, 1539065), (55, 363779), (65, 307813), (143, 139915), (715, 27983)]