20454656

素因数分解:

$2^8\times {\mathrm{79901}}^1$

素因数の和:79917

約数の個数: 18

約数和(自身を含む): 40829922

約数和(自身を除く): 20375266

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 79901, 159802, 319604, 639208, 1278416, 2556832, 5113664, 10227328, 20454656]

約数ペア:

[(1, 20454656), (2, 10227328), (4, 5113664), (8, 2556832), (16, 1278416), (32, 639208), (64, 319604), (128, 159802), (256, 79901)]