20766448

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12601}}^1$

素因数の和:12712

約数の個数: 20

約数和(自身を含む): 40628848

約数和(自身を除く): 19862400

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12601, 25202, 50404, 100808, 201616, 1297903, 2595806, 5191612, 10383224, 20766448]

約数ペア:

[(1, 20766448), (2, 10383224), (4, 5191612), (8, 2595806), (16, 1297903), (103, 201616), (206, 100808), (412, 50404), (824, 25202), (1648, 12601)]