20880256

素因数分解:

$2^7\times {\mathrm{163127}}^1$

素因数の和:163141

約数の個数: 16

約数和(自身を含む): 41597640

約数和(自身を除く): 20717384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163127, 326254, 652508, 1305016, 2610032, 5220064, 10440128, 20880256]

約数ペア:

[(1, 20880256), (2, 10440128), (4, 5220064), (8, 2610032), (16, 1305016), (32, 652508), (64, 326254), (128, 163127)]