20527785

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12329}}^1$

素因数の和:12377

約数の個数: 24

約数和(自身を含む): 36546120

約数和(自身を除く): 16018335

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 12329, 36987, 61645, 110961, 184935, 456173, 554805, 1368519, 2280865, 4105557, 6842595, 20527785]

約数ペア:

[(1, 20527785), (3, 6842595), (5, 4105557), (9, 2280865), (15, 1368519), (37, 554805), (45, 456173), (111, 184935), (185, 110961), (333, 61645), (555, 36987), (1665, 12329)]