20899593

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5413}}^1$

素因数の和:5446

約数の個数: 32

約数和(自身を含む): 36382080

約数和(自身を除く): 15482487

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5413, 16239, 48717, 59543, 70369, 146151, 178629, 211107, 535887, 633321, 774059, 1607661, 1899963, 2322177, 6966531, 20899593]

約数ペア:

[(1, 20899593), (3, 6966531), (9, 2322177), (11, 1899963), (13, 1607661), (27, 774059), (33, 633321), (39, 535887), (99, 211107), (117, 178629), (143, 146151), (297, 70369), (351, 59543), (429, 48717), (1287, 16239), (3861, 5413)]