20484772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66509}}^1$

素因数の和:66531

約数の個数: 24

約数和(自身を含む): 44694720

約数和(自身を除く): 24209948

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66509, 133018, 266036, 465563, 731599, 931126, 1463198, 1862252, 2926396, 5121193, 10242386, 20484772]

約数ペア:

[(1, 20484772), (2, 10242386), (4, 5121193), (7, 2926396), (11, 1862252), (14, 1463198), (22, 931126), (28, 731599), (44, 465563), (77, 266036), (154, 133018), (308, 66509)]