20351705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7873}}^1$

素因数の和:7936

約数の個数: 16

約数和(自身を含む): 27212544

約数和(自身を除く): 6860839

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7873, 39365, 86603, 370031, 433015, 1850155, 4070341, 20351705]

約数ペア:

[(1, 20351705), (5, 4070341), (11, 1850155), (47, 433015), (55, 370031), (235, 86603), (517, 39365), (2585, 7873)]