20884087989

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{1811}}^1\times {\mathrm{9781}}^1$

素因数の和:11729

約数の個数: 24

約数和(自身を含む): 30416072544

約数和(自身を除く): 9531984555

約数列:

[1, 3, 9, 131, 393, 1179, 1811, 5433, 9781, 16299, 29343, 88029, 237241, 711723, 1281311, 2135169, 3843933, 11531799, 17713391, 53140173, 159420519, 2320454221, 6961362663, 20884087989]

約数ペア:

[(1, 20884087989), (3, 6961362663), (9, 2320454221), (131, 159420519), (393, 53140173), (1179, 17713391), (1811, 11531799), (5433, 3843933), (9781, 2135169), (16299, 1281311), (29343, 711723), (88029, 237241)]