20664963

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 33849600

約数和(自身を除く): 13184637

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 859, 891, 2187, 2577, 2673, 7731, 8019, 9449, 23193, 24057, 28347, 69579, 85041, 208737, 255123, 626211, 765369, 1878633, 2296107, 6888321, 20664963]

約数ペア:

[(1, 20664963), (3, 6888321), (9, 2296107), (11, 1878633), (27, 765369), (33, 626211), (81, 255123), (99, 208737), (243, 85041), (297, 69579), (729, 28347), (859, 24057), (891, 23193), (2187, 9449), (2577, 8019), (2673, 7731)]