20173568

素因数分解:

$2^8\times {\mathrm{78803}}^1$

素因数の和:78819

約数の個数: 18

約数和(自身を含む): 40268844

約数和(自身を除く): 20095276

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78803, 157606, 315212, 630424, 1260848, 2521696, 5043392, 10086784, 20173568]

約数ペア:

[(1, 20173568), (2, 10086784), (4, 5043392), (8, 2521696), (16, 1260848), (32, 630424), (64, 315212), (128, 157606), (256, 78803)]