20731655

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 29734848

約数和(自身を除く): 9003193

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 2287, 9065, 11435, 16009, 80045, 84619, 112063, 423095, 560315, 592333, 2961665, 4146331, 20731655]

約数ペア:

[(1, 20731655), (5, 4146331), (7, 2961665), (35, 592333), (37, 560315), (49, 423095), (185, 112063), (245, 84619), (259, 80045), (1295, 16009), (1813, 11435), (2287, 9065)]