20285908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 37215360

約数和(自身を除く): 16929452

約数列:

[1, 2, 4, 23, 46, 92, 311, 622, 709, 1244, 1418, 2836, 7153, 14306, 16307, 28612, 32614, 65228, 220499, 440998, 881996, 5071477, 10142954, 20285908]

約数ペア:

[(1, 20285908), (2, 10142954), (4, 5071477), (23, 881996), (46, 440998), (92, 220499), (311, 65228), (622, 32614), (709, 28612), (1244, 16307), (1418, 14306), (2836, 7153)]