20655423

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 30591600

約数和(自身を除く): 9936177

約数列:

[1, 3, 9, 73, 149, 211, 219, 447, 633, 657, 1341, 1899, 10877, 15403, 31439, 32631, 46209, 94317, 97893, 138627, 282951, 2295047, 6885141, 20655423]

約数ペア:

[(1, 20655423), (3, 6885141), (9, 2295047), (73, 282951), (149, 138627), (211, 97893), (219, 94317), (447, 46209), (633, 32631), (657, 31439), (1341, 15403), (1899, 10877)]