20163762073

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1\times {\mathrm{2699}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 25310880000

約数和(自身を除く): 5147117927

約数列:

[1, 7, 13, 53, 91, 371, 689, 1549, 2699, 4823, 10843, 18893, 20137, 35087, 82097, 140959, 143047, 245609, 574679, 1001329, 1067261, 1859611, 4180751, 7470827, 13017277, 29265257, 54349763, 221579803, 380448341, 1551058621, 2880537439, 20163762073]

約数ペア:

[(1, 20163762073), (7, 2880537439), (13, 1551058621), (53, 380448341), (91, 221579803), (371, 54349763), (689, 29265257), (1549, 13017277), (2699, 7470827), (4823, 4180751), (10843, 1859611), (18893, 1067261), (20137, 1001329), (35087, 574679), (82097, 245609), (140959, 143047)]