20215727

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 24022080

約数和(自身を除く): 3806353

約数列:

[1, 7, 37, 89, 259, 623, 877, 3293, 6139, 23051, 32449, 78053, 227143, 546371, 2887961, 20215727]

約数ペア:

[(1, 20215727), (7, 2887961), (37, 546371), (89, 227143), (259, 78053), (623, 32449), (877, 23051), (3293, 6139)]