20424897

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 31200000

約数和(自身を除く): 10775103

約数列:

[1, 3, 9, 23, 69, 79, 207, 237, 711, 1249, 1817, 3747, 5451, 11241, 16353, 28727, 86181, 98671, 258543, 296013, 888039, 2269433, 6808299, 20424897]

約数ペア:

[(1, 20424897), (3, 6808299), (9, 2269433), (23, 888039), (69, 296013), (79, 258543), (207, 98671), (237, 86181), (711, 28727), (1249, 16353), (1817, 11241), (3747, 5451)]