20161728740

素因数分解:

$2^2\times 5^1\times {\mathrm{1008086437}}^1$

素因数の和:1008086446

約数の個数: 12

約数和(自身を含む): 42339630396

約数和(自身を除く): 22177901656

約数列:

[1, 2, 4, 5, 10, 20, 1008086437, 2016172874, 4032345748, 5040432185, 10080864370, 20161728740]

約数ペア:

[(1, 20161728740), (2, 10080864370), (4, 5040432185), (5, 4032345748), (10, 2016172874), (20, 1008086437)]