20772840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15737}}^1$

素因数の和:15762

約数の個数: 64

約数和(自身を含む): 67988160

約数和(自身を除く): 47215320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15737, 31474, 47211, 62948, 78685, 94422, 125896, 157370, 173107, 188844, 236055, 314740, 346214, 377688, 472110, 519321, 629480, 692428, 865535, 944220, 1038642, 1384856, 1731070, 1888440, 2077284, 2596605, 3462140, 4154568, 5193210, 6924280, 10386420, 20772840]

約数ペア:

[(1, 20772840), (2, 10386420), (3, 6924280), (4, 5193210), (5, 4154568), (6, 3462140), (8, 2596605), (10, 2077284), (11, 1888440), (12, 1731070), (15, 1384856), (20, 1038642), (22, 944220), (24, 865535), (30, 692428), (33, 629480), (40, 519321), (44, 472110), (55, 377688), (60, 346214), (66, 314740), (88, 236055), (110, 188844), (120, 173107), (132, 157370), (165, 125896), (220, 94422), (264, 78685), (330, 62948), (440, 47211), (660, 31474), (1320, 15737)]