20569168

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6661}}^1$

素因数の和:6862

約数の個数: 20

約数和(自身を含む): 40065268

約数和(自身を除く): 19496100

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6661, 13322, 26644, 53288, 106576, 1285573, 2571146, 5142292, 10284584, 20569168]

約数ペア:

[(1, 20569168), (2, 10284584), (4, 5142292), (8, 2571146), (16, 1285573), (193, 106576), (386, 53288), (772, 26644), (1544, 13322), (3088, 6661)]