20090368

素因数分解:

$2^9\times {\mathrm{39239}}^1$

素因数の和:39257

約数の個数: 20

約数和(自身を含む): 40142520

約数和(自身を除く): 20052152

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39239, 78478, 156956, 313912, 627824, 1255648, 2511296, 5022592, 10045184, 20090368]

約数ペア:

[(1, 20090368), (2, 10045184), (4, 5022592), (8, 2511296), (16, 1255648), (32, 627824), (64, 313912), (128, 156956), (256, 78478), (512, 39239)]