20472429

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1051}}^1$

素因数の和:1248

約数の個数: 16

約数和(自身を含む): 28143104

約数和(自身を除く): 7670675

約数列:

[1, 3, 43, 129, 151, 453, 1051, 3153, 6493, 19479, 45193, 135579, 158701, 476103, 6824143, 20472429]

約数ペア:

[(1, 20472429), (3, 6824143), (43, 476103), (129, 158701), (151, 135579), (453, 45193), (1051, 19479), (3153, 6493)]