20142577

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 25561536

約数和(自身を除く): 5418959

約数列:

[1, 7, 13, 49, 91, 103, 307, 637, 721, 1339, 2149, 3991, 5047, 9373, 15043, 27937, 31621, 65611, 195559, 221347, 411073, 1549429, 2877511, 20142577]

約数ペア:

[(1, 20142577), (7, 2877511), (13, 1549429), (49, 411073), (91, 221347), (103, 195559), (307, 65611), (637, 31621), (721, 27937), (1339, 15043), (2149, 9373), (3991, 5047)]