20891628

素因数分解:

$2^2\times 3^3\times {\mathrm{193441}}^1$

素因数の和:193454

約数の個数: 24

約数和(自身を含む): 54163760

約数和(自身を除く): 33272132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193441, 386882, 580323, 773764, 1160646, 1740969, 2321292, 3481938, 5222907, 6963876, 10445814, 20891628]

約数ペア:

[(1, 20891628), (2, 10445814), (3, 6963876), (4, 5222907), (6, 3481938), (9, 2321292), (12, 1740969), (18, 1160646), (27, 773764), (36, 580323), (54, 386882), (108, 193441)]