20766208

素因数分解:

$2^9\times {\mathrm{40559}}^1$

素因数の和:40577

約数の個数: 20

約数和(自身を含む): 41492880

約数和(自身を除く): 20726672

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40559, 81118, 162236, 324472, 648944, 1297888, 2595776, 5191552, 10383104, 20766208]

約数ペア:

[(1, 20766208), (2, 10383104), (4, 5191552), (8, 2595776), (16, 1297888), (32, 648944), (64, 324472), (128, 162236), (256, 81118), (512, 40559)]