20842761

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6427}}^1$

素因数の和:6500

約数の個数: 16

約数和(自身を含む): 29620224

約数和(自身を除く): 8777463

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6427, 19281, 147821, 302069, 443463, 906207, 6947587, 20842761]

約数ペア:

[(1, 20842761), (3, 6947587), (23, 906207), (47, 443463), (69, 302069), (141, 147821), (1081, 19281), (3243, 6427)]