20403782

素因数分解:

$2^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{2027}}^1$

素因数の和:2755

約数の個数: 16

約数和(自身を含む): 35043840

約数和(自身を除く): 14640058

約数列:

[1, 2, 7, 14, 719, 1438, 2027, 4054, 5033, 10066, 14189, 28378, 1457413, 2914826, 10201891, 20403782]

約数ペア:

[(1, 20403782), (2, 10201891), (7, 2914826), (14, 1457413), (719, 28378), (1438, 14189), (2027, 10066), (4054, 5033)]