20779614905

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{161201}}^1$

素因数の和:161369

約数の個数: 32

約数和(自身を含む): 29712752640

約数和(自身を除く): 8933137735

約数列:

[1, 5, 7, 29, 35, 127, 145, 203, 635, 889, 1015, 3683, 4445, 18415, 25781, 128905, 161201, 806005, 1128407, 4674829, 5642035, 20472527, 23374145, 32723803, 102362635, 143307689, 163619015, 593703283, 716538445, 2968516415, 4155922981, 20779614905]

約数ペア:

[(1, 20779614905), (5, 4155922981), (7, 2968516415), (29, 716538445), (35, 593703283), (127, 163619015), (145, 143307689), (203, 102362635), (635, 32723803), (889, 23374145), (1015, 20472527), (3683, 5642035), (4445, 4674829), (18415, 1128407), (25781, 806005), (128905, 161201)]