20900191

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5563}}^1$

素因数の和:5610

約数の個数: 12

約数和(自身を含む): 23914072

約数和(自身を除く): 3013881

約数列:

[1, 13, 17, 221, 289, 3757, 5563, 72319, 94571, 1229423, 1607707, 20900191]

約数ペア:

[(1, 20900191), (13, 1607707), (17, 1229423), (221, 94571), (289, 72319), (3757, 5563)]