20143825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61981}}^1$

素因数の和:62004

約数の個数: 12

約数和(自身を含む): 26900188

約数和(自身を除く): 6756363

約数列:

[1, 5, 13, 25, 65, 325, 61981, 309905, 805753, 1549525, 4028765, 20143825]

約数ペア:

[(1, 20143825), (5, 4028765), (13, 1549525), (25, 805753), (65, 309905), (325, 61981)]