20834667

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1483}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 34571264

約数和(自身を除く): 13736597

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1483, 1561, 2007, 4449, 4683, 10381, 13347, 14049, 31143, 93429, 330709, 992127, 2314963, 2976381, 6944889, 20834667]

約数ペア:

[(1, 20834667), (3, 6944889), (7, 2976381), (9, 2314963), (21, 992127), (63, 330709), (223, 93429), (669, 31143), (1483, 14049), (1561, 13347), (2007, 10381), (4449, 4683)]