20973293

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 24578400

約数和(自身を除く): 3605107

約数列:

[1, 11, 29, 43, 121, 139, 319, 473, 1247, 1529, 3509, 4031, 5203, 5977, 13717, 16819, 44341, 65747, 150887, 173333, 487751, 723217, 1906663, 20973293]

約数ペア:

[(1, 20973293), (11, 1906663), (29, 723217), (43, 487751), (121, 173333), (139, 150887), (319, 65747), (473, 44341), (1247, 16819), (1529, 13717), (3509, 5977), (4031, 5203)]