20465666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2531}}^1$

素因数の和:2857

約数の個数: 16

約数和(自身を含む): 33179328

約数和(自身を除く): 12713662

約数列:

[1, 2, 13, 26, 311, 622, 2531, 4043, 5062, 8086, 32903, 65806, 787141, 1574282, 10232833, 20465666]

約数ペア:

[(1, 20465666), (2, 10232833), (13, 1574282), (26, 787141), (311, 65806), (622, 32903), (2531, 8086), (4043, 5062)]