20457021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8599}}^1$

素因数の和:8676

約数の個数: 16

約数和(自身を含む): 29859200

約数和(自身を除く): 9402179

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8599, 25797, 111787, 335361, 524539, 1573617, 6819007, 20457021]

約数ペア:

[(1, 20457021), (3, 6819007), (13, 1573617), (39, 524539), (61, 335361), (183, 111787), (793, 25797), (2379, 8599)]