20105661

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 27442688

約数和(自身を除く): 7337027

約数列:

[1, 3, 61, 181, 183, 543, 607, 1821, 11041, 33123, 37027, 109867, 111081, 329601, 6701887, 20105661]

約数ペア:

[(1, 20105661), (3, 6701887), (61, 329601), (181, 111081), (183, 109867), (543, 37027), (607, 33123), (1821, 11041)]