20748827

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 23721984

約数和(自身を除く): 2973157

約数列:

[1, 11, 31, 71, 341, 781, 857, 2201, 9427, 24211, 26567, 60847, 292237, 669317, 1886257, 20748827]

約数ペア:

[(1, 20748827), (11, 1886257), (31, 669317), (71, 292237), (341, 60847), (781, 26567), (857, 24211), (2201, 9427)]