20472273

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{17911}}^1$

素因数の和:18044

約数の個数: 12

約数和(自身を含む): 29805568

約数和(自身を除く): 9333295

約数列:

[1, 3, 9, 127, 381, 1143, 17911, 53733, 161199, 2274697, 6824091, 20472273]

約数ペア:

[(1, 20472273), (3, 6824091), (9, 2274697), (127, 161199), (381, 53733), (1143, 17911)]