20490099

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9473}}^1$

素因数の和:9586

約数の個数: 16

約数和(自身を含む): 31529472

約数和(自身を除く): 11039373

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9473, 28419, 66311, 198933, 975719, 2927157, 6830033, 20490099]

約数ペア:

[(1, 20490099), (3, 6830033), (7, 2927157), (21, 975719), (103, 198933), (309, 66311), (721, 28419), (2163, 9473)]