19955180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142537}}^1$

素因数の和:142553

約数の個数: 24

約数和(自身を含む): 47892768

約数和(自身を除く): 27937588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142537, 285074, 570148, 712685, 997759, 1425370, 1995518, 2850740, 3991036, 4988795, 9977590, 19955180]

約数ペア:

[(1, 19955180), (2, 9977590), (4, 4988795), (5, 3991036), (7, 2850740), (10, 1995518), (14, 1425370), (20, 997759), (28, 712685), (35, 570148), (70, 285074), (140, 142537)]