20404928

素因数分解:

$2^6\times {\mathrm{277}}^1\times {\mathrm{1151}}^1$

素因数の和:1440

約数の個数: 28

約数和(自身を含む): 40672512

約数和(自身を除く): 20267584

約数列:

[1, 2, 4, 8, 16, 32, 64, 277, 554, 1108, 1151, 2216, 2302, 4432, 4604, 8864, 9208, 17728, 18416, 36832, 73664, 318827, 637654, 1275308, 2550616, 5101232, 10202464, 20404928]

約数ペア:

[(1, 20404928), (2, 10202464), (4, 5101232), (8, 2550616), (16, 1275308), (32, 637654), (64, 318827), (277, 73664), (554, 36832), (1108, 18416), (1151, 17728), (2216, 9208), (2302, 8864), (4432, 4604)]