20816601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12413}}^1$

素因数の和:12472

約数の個数: 16

約数和(自身を含む): 30588096

約数和(自身を除く): 9771495

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12413, 37239, 161369, 484107, 533759, 1601277, 6938867, 20816601]

約数ペア:

[(1, 20816601), (3, 6938867), (13, 1601277), (39, 533759), (43, 484107), (129, 161369), (559, 37239), (1677, 12413)]