20419746900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{206887}}^1$

素因数の和:206958

約数の個数: 144

約数和(自身を含む): 68958253056

約数和(自身を除く): 48538506156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 47, 50, 60, 70, 75, 84, 94, 100, 105, 140, 141, 150, 175, 188, 210, 235, 282, 300, 329, 350, 420, 470, 525, 564, 658, 700, 705, 940, 987, 1050, 1175, 1316, 1410, 1645, 1974, 2100, 2350, 2820, 3290, 3525, 3948, 4700, 4935, 6580, 7050, 8225, 9870, 14100, 16450, 19740, 24675, 32900, 49350, 98700, 206887, 413774, 620661, 827548, 1034435, 1241322, 1448209, 2068870, 2482644, 2896418, 3103305, 4137740, 4344627, 5172175, 5792836, 6206610, 7241045, 8689254, 9723689, 10344350, 12413220, 14482090, 15516525, 17378508, 19447378, 20688700, 21723135, 28964180, 29171067, 31033050, 36205225, 38894756, 43446270, 48618445, 58342134, 62066100, 68065823, 72410450, 86892540, 97236890, 108615675, 116684268, 136131646, 144820900, 145855335, 194473780, 204197469, 217231350, 243092225, 272263292, 291710670, 340329115, 408394938, 434462700, 486184450, 583421340, 680658230, 729276675, 816789876, 972368900, 1020987345, 1361316460, 1458553350, 1701645575, 2041974690, 2917106700, 3403291150, 4083949380, 5104936725, 6806582300, 10209873450, 20419746900]

約数ペア:

[(1, 20419746900), (2, 10209873450), (3, 6806582300), (4, 5104936725), (5, 4083949380), (6, 3403291150), (7, 2917106700), (10, 2041974690), (12, 1701645575), (14, 1458553350), (15, 1361316460), (20, 1020987345), (21, 972368900), (25, 816789876), (28, 729276675), (30, 680658230), (35, 583421340), (42, 486184450), (47, 434462700), (50, 408394938), (60, 340329115), (70, 291710670), (75, 272263292), (84, 243092225), (94, 217231350), (100, 204197469), (105, 194473780), (140, 145855335), (141, 144820900), (150, 136131646), (175, 116684268), (188, 108615675), (210, 97236890), (235, 86892540), (282, 72410450), (300, 68065823), (329, 62066100), (350, 58342134), (420, 48618445), (470, 43446270), (525, 38894756), (564, 36205225), (658, 31033050), (700, 29171067), (705, 28964180), (940, 21723135), (987, 20688700), (1050, 19447378), (1175, 17378508), (1316, 15516525), (1410, 14482090), (1645, 12413220), (1974, 10344350), (2100, 9723689), (2350, 8689254), (2820, 7241045), (3290, 6206610), (3525, 5792836), (3948, 5172175), (4700, 4344627), (4935, 4137740), (6580, 3103305), (7050, 2896418), (8225, 2482644), (9870, 2068870), (14100, 1448209), (16450, 1241322), (19740, 1034435), (24675, 827548), (32900, 620661), (49350, 413774), (98700, 206887)]