20478933

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9601}}^1$

素因数の和:9689

約数の個数: 16

約数和(自身を含む): 30726400

約数和(自身を除く): 10247467

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9601, 28803, 86409, 259227, 758479, 2275437, 6826311, 20478933]

約数ペア:

[(1, 20478933), (3, 6826311), (9, 2275437), (27, 758479), (79, 259227), (237, 86409), (711, 28803), (2133, 9601)]