20643049

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4231}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 25595136

約数和(自身を除く): 4952087

約数列:

[1, 7, 17, 41, 119, 287, 697, 4231, 4879, 29617, 71927, 173471, 503489, 1214297, 2949007, 20643049]

約数ペア:

[(1, 20643049), (7, 2949007), (17, 1214297), (41, 503489), (119, 173471), (287, 71927), (697, 29617), (4231, 4879)]