20456595

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5477}}^1$

素因数の和:5571

約数の個数: 24

約数和(自身を含む): 35891856

約数和(自身を除く): 15435261

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5477, 16431, 27385, 49293, 82155, 246465, 454591, 1363773, 2272955, 4091319, 6818865, 20456595]

約数ペア:

[(1, 20456595), (3, 6818865), (5, 4091319), (9, 2272955), (15, 1363773), (45, 454591), (83, 246465), (249, 82155), (415, 49293), (747, 27385), (1245, 16431), (3735, 5477)]