20538510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{684617}}^1$

素因数の和:684627

約数の個数: 16

約数和(自身を含む): 49292496

約数和(自身を除く): 28753986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 684617, 1369234, 2053851, 3423085, 4107702, 6846170, 10269255, 20538510]

約数ペア:

[(1, 20538510), (2, 10269255), (3, 6846170), (5, 4107702), (6, 3423085), (10, 2053851), (15, 1369234), (30, 684617)]