20181161

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20161}}^1$

素因数の和:20192

約数の個数: 16

約数和(自身を含む): 27097728

約数和(自身を除く): 6916567

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20161, 141127, 221771, 262093, 1552397, 1834651, 2883023, 20181161]

約数ペア:

[(1, 20181161), (7, 2883023), (11, 1834651), (13, 1552397), (77, 262093), (91, 221771), (143, 141127), (1001, 20161)]