20519168

素因数分解:

$2^8\times {\mathrm{80153}}^1$

素因数の和:80169

約数の個数: 18

約数和(自身を含む): 40958694

約数和(自身を除く): 20439526

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 80153, 160306, 320612, 641224, 1282448, 2564896, 5129792, 10259584, 20519168]

約数ペア:

[(1, 20519168), (2, 10259584), (4, 5129792), (8, 2564896), (16, 1282448), (32, 641224), (64, 320612), (128, 160306), (256, 80153)]