20049490

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15787}}^1$

素因数の和:15921

約数の個数: 16

約数和(自身を含む): 36375552

約数和(自身を除く): 16326062

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15787, 31574, 78935, 157870, 2004949, 4009898, 10024745, 20049490]

約数ペア:

[(1, 20049490), (2, 10024745), (5, 4009898), (10, 2004949), (127, 157870), (254, 78935), (635, 31574), (1270, 15787)]