20815361

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{829}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 25338240

約数和(自身を除く): 4522879

約数列:

[1, 7, 17, 119, 211, 829, 1477, 3587, 5803, 14093, 25109, 98651, 174919, 1224433, 2973623, 20815361]

約数ペア:

[(1, 20815361), (7, 2973623), (17, 1224433), (119, 174919), (211, 98651), (829, 25109), (1477, 14093), (3587, 5803)]