20040279

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22193}}^1$

素因数の和:22246

約数の個数: 16

約数和(自身を含む): 31249152

約数和(自身を除く): 11208873

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22193, 66579, 155351, 466053, 954299, 2862897, 6680093, 20040279]

約数ペア:

[(1, 20040279), (3, 6680093), (7, 2862897), (21, 954299), (43, 466053), (129, 155351), (301, 66579), (903, 22193)]