20647020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344117}}^1$

素因数の和:344129

約数の個数: 24

約数和(自身を含む): 57811824

約数和(自身を除く): 37164804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344117, 688234, 1032351, 1376468, 1720585, 2064702, 3441170, 4129404, 5161755, 6882340, 10323510, 20647020]

約数ペア:

[(1, 20647020), (2, 10323510), (3, 6882340), (4, 5161755), (5, 4129404), (6, 3441170), (10, 2064702), (12, 1720585), (15, 1376468), (20, 1032351), (30, 688234), (60, 344117)]