20524617

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40009}}^1$

素因数の和:40037

約数の個数: 16

約数和(自身を含む): 32008000

約数和(自身を除く): 11483383

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40009, 120027, 360081, 760171, 1080243, 2280513, 6841539, 20524617]

約数ペア:

[(1, 20524617), (3, 6841539), (9, 2280513), (19, 1080243), (27, 760171), (57, 360081), (171, 120027), (513, 40009)]