20102277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{727}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 28945280

約数和(自身を除く): 8843003

約数列:

[1, 3, 13, 39, 709, 727, 2127, 2181, 9217, 9451, 27651, 28353, 515443, 1546329, 6700759, 20102277]

約数ペア:

[(1, 20102277), (3, 6700759), (13, 1546329), (39, 515443), (709, 28353), (727, 27651), (2127, 9451), (2181, 9217)]