20137535720

素因数分解:

$2^3\times 5^1\times {\mathrm{503438393}}^1$

素因数の和:503438404

約数の個数: 16

約数和(自身を含む): 45309455460

約数和(自身を除く): 25171919740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503438393, 1006876786, 2013753572, 2517191965, 4027507144, 5034383930, 10068767860, 20137535720]

約数ペア:

[(1, 20137535720), (2, 10068767860), (4, 5034383930), (5, 4027507144), (8, 2517191965), (10, 2013753572), (20, 1006876786), (40, 503438393)]