20199731031

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{20975837}}^1$

素因数の和:20975950

約数の個数: 12

約数和(自身を含む): 29450076552

約数和(自身を除く): 9250345521

約数列:

[1, 3, 9, 107, 321, 963, 20975837, 62927511, 188782533, 2244414559, 6733243677, 20199731031]

約数ペア:

[(1, 20199731031), (3, 6733243677), (9, 2244414559), (107, 188782533), (321, 62927511), (963, 20975837)]