20161372180

素因数分解:

$2^2\times 5^1\times {\mathrm{1008068609}}^1$

素因数の和:1008068618

約数の個数: 12

約数和(自身を含む): 42338881620

約数和(自身を除く): 22177509440

約数列:

[1, 2, 4, 5, 10, 20, 1008068609, 2016137218, 4032274436, 5040343045, 10080686090, 20161372180]

約数ペア:

[(1, 20161372180), (2, 10080686090), (4, 5040343045), (5, 4032274436), (10, 2016137218), (20, 1008068609)]