20823789

素因数分解:

$3^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{1123}}^1$

素因数の和:2016

約数の個数: 16

約数和(自身を含む): 31795712

約数和(自身を除く): 10971923

約数列:

[1, 3, 7, 21, 883, 1123, 2649, 3369, 6181, 7861, 18543, 23583, 991609, 2974827, 6941263, 20823789]

約数ペア:

[(1, 20823789), (3, 6941263), (7, 2974827), (21, 991609), (883, 23583), (1123, 18543), (2649, 7861), (3369, 6181)]