20349063

素因数分解:

$3^5\times 7^2\times {\mathrm{1709}}^1$

素因数の和:1738

約数の個数: 36

約数和(自身を含む): 35479080

約数和(自身を除く): 15130017

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 1709, 3969, 5127, 11907, 11963, 15381, 35889, 46143, 83741, 107667, 138429, 251223, 323001, 415287, 753669, 969003, 2261007, 2907009, 6783021, 20349063]

約数ペア:

[(1, 20349063), (3, 6783021), (7, 2907009), (9, 2261007), (21, 969003), (27, 753669), (49, 415287), (63, 323001), (81, 251223), (147, 138429), (189, 107667), (243, 83741), (441, 46143), (567, 35889), (1323, 15381), (1701, 11963), (1709, 11907), (3969, 5127)]