20878169

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{467}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 23849280

約数和(自身を除く): 2971111

約数列:

[1, 13, 19, 181, 247, 467, 2353, 3439, 6071, 8873, 44707, 84527, 115349, 1098851, 1606013, 20878169]

約数ペア:

[(1, 20878169), (13, 1606013), (19, 1098851), (181, 115349), (247, 84527), (467, 44707), (2353, 8873), (3439, 6071)]