20876878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4817}}^1$

素因数の和:5027

約数の個数: 16

約数和(自身を含む): 34342704

約数和(自身を除く): 13465826

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4817, 9634, 52987, 105974, 948949, 1897898, 10438439, 20876878]

約数ペア:

[(1, 20876878), (2, 10438439), (11, 1897898), (22, 948949), (197, 105974), (394, 52987), (2167, 9634), (4334, 4817)]