20627789

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 25495680

約数和(自身を除く): 4867891

約数列:

[1, 7, 13, 91, 419, 541, 2933, 3787, 5447, 7033, 38129, 49231, 226679, 1586753, 2946827, 20627789]

約数ペア:

[(1, 20627789), (7, 2946827), (13, 1586753), (91, 226679), (419, 49231), (541, 38129), (2933, 7033), (3787, 5447)]