20252169

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3121}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 33767552

約数和(自身を除く): 13515383

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3121, 6489, 9363, 21847, 28089, 65541, 196623, 321463, 964389, 2250241, 2893167, 6750723, 20252169]

約数ペア:

[(1, 20252169), (3, 6750723), (7, 2893167), (9, 2250241), (21, 964389), (63, 321463), (103, 196623), (309, 65541), (721, 28089), (927, 21847), (2163, 9363), (3121, 6489)]