20755287

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4513}}^1$

素因数の和:4599

約数の個数: 24

約数和(自身を含む): 34739744

約数和(自身を除く): 13984457

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4513, 4599, 13539, 31591, 40617, 94773, 284319, 329449, 988347, 2306143, 2965041, 6918429, 20755287]

約数ペア:

[(1, 20755287), (3, 6918429), (7, 2965041), (9, 2306143), (21, 988347), (63, 329449), (73, 284319), (219, 94773), (511, 40617), (657, 31591), (1533, 13539), (4513, 4599)]