16986820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2731}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 35800128

約数和(自身を除く): 18813308

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2731, 3110, 5462, 6220, 10924, 13655, 27310, 54620, 849341, 1698682, 3397364, 4246705, 8493410, 16986820]

約数ペア:

[(1, 16986820), (2, 8493410), (4, 4246705), (5, 3397364), (10, 1698682), (20, 849341), (311, 54620), (622, 27310), (1244, 13655), (1555, 10924), (2731, 6220), (3110, 5462)]