20198912

素因数分解:

$2^9\times {\mathrm{39451}}^1$

素因数の和:39469

約数の個数: 20

約数和(自身を含む): 40359396

約数和(自身を除く): 20160484

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39451, 78902, 157804, 315608, 631216, 1262432, 2524864, 5049728, 10099456, 20198912]

約数ペア:

[(1, 20198912), (2, 10099456), (4, 5049728), (8, 2524864), (16, 1262432), (32, 631216), (64, 315608), (128, 157804), (256, 78902), (512, 39451)]