20117579

素因数分解:

${\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:646

約数の個数: 12

約数和(自身を含む): 21558768

約数和(自身を除く): 1441189

約数列:

[1, 17, 151, 289, 461, 2567, 7837, 43639, 69611, 133229, 1183387, 20117579]

約数ペア:

[(1, 20117579), (17, 1183387), (151, 133229), (289, 69611), (461, 43639), (2567, 7837)]