20648187

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1831}}^1$

素因数の和:2023

約数の個数: 24

約数和(自身を含む): 34295040

約数和(自身を除く): 13646853

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 1831, 3759, 5493, 11277, 12817, 16479, 38451, 115353, 327749, 983247, 2294243, 2949741, 6882729, 20648187]

約数ペア:

[(1, 20648187), (3, 6882729), (7, 2949741), (9, 2294243), (21, 983247), (63, 327749), (179, 115353), (537, 38451), (1253, 16479), (1611, 12817), (1831, 11277), (3759, 5493)]