20810023

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 24756480

約数和(自身を除く): 3946457

約数列:

[1, 13, 17, 29, 191, 221, 289, 377, 493, 2483, 3247, 3757, 5539, 6409, 8381, 42211, 55199, 72007, 94163, 108953, 717587, 1224119, 1600771, 20810023]

約数ペア:

[(1, 20810023), (13, 1600771), (17, 1224119), (29, 717587), (191, 108953), (221, 94163), (289, 72007), (377, 55199), (493, 42211), (2483, 8381), (3247, 6409), (3757, 5539)]