20431107

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 31168800

約数和(自身を除く): 10737693

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 1109, 2047, 3327, 6141, 9981, 18423, 25507, 76521, 98701, 229563, 296103, 888309, 2270123, 6810369, 20431107]

約数ペア:

[(1, 20431107), (3, 6810369), (9, 2270123), (23, 888309), (69, 296103), (89, 229563), (207, 98701), (267, 76521), (801, 25507), (1109, 18423), (2047, 9981), (3327, 6141)]