20097961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 2981207

約数列:

[1, 13, 17, 211, 221, 431, 2743, 3587, 5603, 7327, 46631, 90941, 95251, 1182233, 1545997, 20097961]

約数ペア:

[(1, 20097961), (13, 1545997), (17, 1182233), (211, 95251), (221, 90941), (431, 46631), (2743, 7327), (3587, 5603)]