19924660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142319}}^1$

素因数の和:142335

約数の個数: 24

約数和(自身を含む): 47819520

約数和(自身を除く): 27894860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142319, 284638, 569276, 711595, 996233, 1423190, 1992466, 2846380, 3984932, 4981165, 9962330, 19924660]

約数ペア:

[(1, 19924660), (2, 9962330), (4, 4981165), (5, 3984932), (7, 2846380), (10, 1992466), (14, 1423190), (20, 996233), (28, 711595), (35, 569276), (70, 284638), (140, 142319)]