20139045380

素因数分解:

$2^2\times 5^1\times {\mathrm{1006952269}}^1$

素因数の和:1006952278

約数の個数: 12

約数和(自身を含む): 42291995340

約数和(自身を除く): 22152949960

約数列:

[1, 2, 4, 5, 10, 20, 1006952269, 2013904538, 4027809076, 5034761345, 10069522690, 20139045380]

約数ペア:

[(1, 20139045380), (2, 10069522690), (4, 5034761345), (5, 4027809076), (10, 2013904538), (20, 1006952269)]