20658429

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{69557}}^1$

素因数の和:69577

約数の個数: 16

約数和(自身を含む): 33387840

約数和(自身を除く): 12729411

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 69557, 208671, 626013, 765127, 1878039, 2295381, 6886143, 20658429]

約数ペア:

[(1, 20658429), (3, 6886143), (9, 2295381), (11, 1878039), (27, 765127), (33, 626013), (99, 208671), (297, 69557)]