20392665

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17209}}^1$

素因数の和:17296

約数の個数: 16

約数和(自身を含む): 33043200

約数和(自身を除く): 12650535

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 17209, 51627, 86045, 258135, 1359511, 4078533, 6797555, 20392665]

約数ペア:

[(1, 20392665), (3, 6797555), (5, 4078533), (15, 1359511), (79, 258135), (237, 86045), (395, 51627), (1185, 17209)]