20421640259

素因数分解:

${\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1\times {\mathrm{18329}}^1$

素因数の和:18770

約数の個数: 16

約数和(自身を含む): 21322629120

約数和(自身を除く): 900988861

約数列:

[1, 31, 127, 283, 3937, 8773, 18329, 35941, 568199, 1114171, 2327783, 5187107, 72161273, 160800317, 658762589, 20421640259]

約数ペア:

[(1, 20421640259), (31, 658762589), (127, 160800317), (283, 72161273), (3937, 5187107), (8773, 2327783), (18329, 1114171), (35941, 568199)]