20181080

素因数分解:

$2^3\times 5^1\times {\mathrm{504527}}^1$

素因数の和:504538

約数の個数: 16

約数和(自身を含む): 45407520

約数和(自身を除く): 25226440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504527, 1009054, 2018108, 2522635, 4036216, 5045270, 10090540, 20181080]

約数ペア:

[(1, 20181080), (2, 10090540), (4, 5045270), (5, 4036216), (8, 2522635), (10, 2018108), (20, 1009054), (40, 504527)]