20674255

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6637}}^1$

素因数の和:6738

約数の個数: 16

約数和(自身を含む): 28676160

約数和(自身を除く): 8001905

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6637, 33185, 46459, 232295, 590693, 2953465, 4134851, 20674255]

約数ペア:

[(1, 20674255), (5, 4134851), (7, 2953465), (35, 590693), (89, 232295), (445, 46459), (623, 33185), (3115, 6637)]