20773665

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4663}}^1$

素因数の和:4691

約数の個数: 40

約数和(自身を含む): 40632768

約数和(自身を除く): 19859103

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4663, 13989, 23315, 41967, 51293, 69945, 125901, 153879, 209835, 256465, 377703, 461637, 629505, 769395, 1384911, 1888515, 2308185, 4154733, 6924555, 20773665]

約数ペア:

[(1, 20773665), (3, 6924555), (5, 4154733), (9, 2308185), (11, 1888515), (15, 1384911), (27, 769395), (33, 629505), (45, 461637), (55, 377703), (81, 256465), (99, 209835), (135, 153879), (165, 125901), (297, 69945), (405, 51293), (495, 41967), (891, 23315), (1485, 13989), (4455, 4663)]