20407620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340127}}^1$

素因数の和:340139

約数の個数: 24

約数和(自身を含む): 57141504

約数和(自身を除く): 36733884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340127, 680254, 1020381, 1360508, 1700635, 2040762, 3401270, 4081524, 5101905, 6802540, 10203810, 20407620]

約数ペア:

[(1, 20407620), (2, 10203810), (3, 6802540), (4, 5101905), (5, 4081524), (6, 3401270), (10, 2040762), (12, 1700635), (15, 1360508), (20, 1020381), (30, 680254), (60, 340127)]