20281629

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2861}}^1$

素因数の和:3020

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 8567331

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2861, 7089, 8583, 48637, 145911, 397679, 1193037, 6760543, 20281629]

約数ペア:

[(1, 20281629), (3, 6760543), (17, 1193037), (51, 397679), (139, 145911), (417, 48637), (2363, 8583), (2861, 7089)]