20796881

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 24530688

約数和(自身を除く): 3733807

約数列:

[1, 7, 41, 233, 287, 311, 1631, 2177, 9553, 12751, 66871, 72463, 89257, 507241, 2970983, 20796881]

約数ペア:

[(1, 20796881), (7, 2970983), (41, 507241), (233, 89257), (287, 72463), (311, 66871), (1631, 12751), (2177, 9553)]