20296025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{19801}}^1$

素因数の和:19852

約数の個数: 12

約数和(自身を含む): 25782204

約数和(自身を除く): 5486179

約数列:

[1, 5, 25, 41, 205, 1025, 19801, 99005, 495025, 811841, 4059205, 20296025]

約数ペア:

[(1, 20296025), (5, 4059205), (25, 811841), (41, 495025), (205, 99005), (1025, 19801)]