20998437

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2284

約数の個数: 16

約数和(自身を含む): 29057280

約数和(自身を除く): 8058843

約数列:

[1, 3, 41, 79, 123, 237, 2161, 3239, 6483, 9717, 88601, 170719, 265803, 512157, 6999479, 20998437]

約数ペア:

[(1, 20998437), (3, 6999479), (41, 512157), (79, 265803), (123, 170719), (237, 88601), (2161, 9717), (3239, 6483)]