20178410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2551}}^1$

素因数の和:2678

約数の個数: 32

約数和(自身を含む): 41893632

約数和(自身を除く): 21715222

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2551, 3955, 5102, 7910, 12755, 17857, 25510, 35714, 89285, 178570, 288263, 576526, 1441315, 2017841, 2882630, 4035682, 10089205, 20178410]

約数ペア:

[(1, 20178410), (2, 10089205), (5, 4035682), (7, 2882630), (10, 2017841), (14, 1441315), (35, 576526), (70, 288263), (113, 178570), (226, 89285), (565, 35714), (791, 25510), (1130, 17857), (1582, 12755), (2551, 7910), (3955, 5102)]