20605095

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65413}}^1$

素因数の和:65431

約数の個数: 24

約数和(自身を含む): 40818336

約数和(自身を除く): 20213241

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65413, 196239, 327065, 457891, 588717, 981195, 1373673, 2289455, 2943585, 4121019, 6868365, 20605095]

約数ペア:

[(1, 20605095), (3, 6868365), (5, 4121019), (7, 2943585), (9, 2289455), (15, 1373673), (21, 981195), (35, 588717), (45, 457891), (63, 327065), (105, 196239), (315, 65413)]