20475497

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7481}}^1$

素因数の和:7528

約数の個数: 16

約数和(自身を含む): 25857792

約数和(自身を除く): 5382295

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7481, 52367, 127177, 172063, 890239, 1204441, 2925071, 20475497]

約数ペア:

[(1, 20475497), (7, 2925071), (17, 1204441), (23, 890239), (119, 172063), (161, 127177), (391, 52367), (2737, 7481)]