20901969

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23459}}^1$

素因数の和:23482

約数の個数: 20

約数和(自身を含む): 34063920

約数和(自身を除く): 13161951

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23459, 70377, 211131, 258049, 633393, 774147, 1900179, 2322441, 6967323, 20901969]

約数ペア:

[(1, 20901969), (3, 6967323), (9, 2322441), (11, 1900179), (27, 774147), (33, 633393), (81, 258049), (99, 211131), (297, 70377), (891, 23459)]