20181276020

素因数分解:

$2^2\times 5^1\times {\mathrm{1009063801}}^1$

素因数の和:1009063810

約数の個数: 12

約数和(自身を含む): 42380679684

約数和(自身を除く): 22199403664

約数列:

[1, 2, 4, 5, 10, 20, 1009063801, 2018127602, 4036255204, 5045319005, 10090638010, 20181276020]

約数ペア:

[(1, 20181276020), (2, 10090638010), (4, 5045319005), (5, 4036255204), (10, 2018127602), (20, 1009063801)]