20199295143

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{118124533}}^1$

素因数の和:118124558

約数の個数: 12

約数和(自身を含む): 30712378840

約数和(自身を除く): 10513083697

約数列:

[1, 3, 9, 19, 57, 171, 118124533, 354373599, 1063120797, 2244366127, 6733098381, 20199295143]

約数ペア:

[(1, 20199295143), (3, 6733098381), (9, 2244366127), (19, 1063120797), (57, 354373599), (171, 118124533)]