20005778425

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{30803}}^1$

素因数の和:31209

約数の個数: 24

約数和(自身を含む): 25187075424

約数和(自身を除く): 5181296999

約数列:

[1, 5, 25, 83, 313, 415, 1565, 2075, 7825, 25979, 30803, 129895, 154015, 649475, 770075, 2556649, 9641339, 12783245, 48206695, 63916225, 241033475, 800231137, 4001155685, 20005778425]

約数ペア:

[(1, 20005778425), (5, 4001155685), (25, 800231137), (83, 241033475), (313, 63916225), (415, 48206695), (1565, 12783245), (2075, 9641339), (7825, 2556649), (25979, 770075), (30803, 649475), (129895, 154015)]