20569197

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8779}}^1$

素因数の和:8864

約数の個数: 16

約数和(自身を含む): 30343680

約数和(自身を除く): 9774483

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8779, 26337, 96569, 289707, 623309, 1869927, 6856399, 20569197]

約数ペア:

[(1, 20569197), (3, 6856399), (11, 1869927), (33, 623309), (71, 289707), (213, 96569), (781, 26337), (2343, 8779)]