20880335

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11053105

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1847, 2261, 9235, 11305, 12929, 31399, 35093, 64645, 156995, 175465, 219793, 245651, 596581, 1098965, 1228255, 2982905, 4176067, 20880335]

約数ペア:

[(1, 20880335), (5, 4176067), (7, 2982905), (17, 1228255), (19, 1098965), (35, 596581), (85, 245651), (95, 219793), (119, 175465), (133, 156995), (323, 64645), (595, 35093), (665, 31399), (1615, 12929), (1847, 11305), (2261, 9235)]