20138027

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5981}}^1$

素因数の和:6038

約数の個数: 16

約数和(自身を含む): 25459392

約数和(自身を除く): 5321365

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5981, 41867, 77753, 221297, 544271, 1549079, 2876861, 20138027]

約数ペア:

[(1, 20138027), (7, 2876861), (13, 1549079), (37, 544271), (91, 221297), (259, 77753), (481, 41867), (3367, 5981)]