20998862

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{2011}}^1$

素因数の和:2263

約数の個数: 16

約数和(自身を含む): 33028992

約数和(自身を除く): 12030130

約数列:

[1, 2, 23, 46, 227, 454, 2011, 4022, 5221, 10442, 46253, 92506, 456497, 912994, 10499431, 20998862]

約数ペア:

[(1, 20998862), (2, 10499431), (23, 912994), (46, 456497), (227, 92506), (454, 46253), (2011, 10442), (4022, 5221)]