20161084340

素因数分解:

$2^2\times 5^1\times {\mathrm{1008054217}}^1$

素因数の和:1008054226

約数の個数: 12

約数和(自身を含む): 42338277156

約数和(自身を除く): 22177192816

約数列:

[1, 2, 4, 5, 10, 20, 1008054217, 2016108434, 4032216868, 5040271085, 10080542170, 20161084340]

約数ペア:

[(1, 20161084340), (2, 10080542170), (4, 5040271085), (5, 4032216868), (10, 2016108434), (20, 1008054217)]