20749128840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{121853}}^1$

素因数の和:121924

約数の個数: 192

約数和(自身を含む): 75276527040

約数和(自身を除く): 54527398200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 55, 60, 66, 72, 86, 88, 90, 99, 110, 120, 129, 132, 165, 172, 180, 198, 215, 220, 258, 264, 330, 344, 360, 387, 396, 430, 440, 473, 495, 516, 645, 660, 774, 792, 860, 946, 990, 1032, 1290, 1320, 1419, 1548, 1720, 1892, 1935, 1980, 2365, 2580, 2838, 3096, 3784, 3870, 3960, 4257, 4730, 5160, 5676, 7095, 7740, 8514, 9460, 11352, 14190, 15480, 17028, 18920, 21285, 28380, 34056, 42570, 56760, 85140, 121853, 170280, 243706, 365559, 487412, 609265, 731118, 974824, 1096677, 1218530, 1340383, 1462236, 1827795, 2193354, 2437060, 2680766, 2924472, 3655590, 4021149, 4386708, 4874120, 5239679, 5361532, 5483385, 6701915, 7311180, 8042298, 8773416, 10479358, 10723064, 10966770, 12063447, 13403830, 14622360, 15719037, 16084596, 20105745, 20958716, 21933540, 24126894, 26198395, 26807660, 31438074, 32169192, 40211490, 41917432, 43867080, 47157111, 48253788, 52396790, 53615320, 57636469, 60317235, 62876148, 78595185, 80422980, 94314222, 96507576, 104793580, 115272938, 120634470, 125752296, 157190370, 160845960, 172909407, 188628444, 209587160, 230545876, 235785555, 241268940, 288182345, 314380740, 345818814, 377256888, 461091752, 471571110, 482537880, 518728221, 576364690, 628761480, 691637628, 864547035, 943142220, 1037456442, 1152729380, 1383275256, 1729094070, 1886284440, 2074912884, 2305458760, 2593641105, 3458188140, 4149825768, 5187282210, 6916376280, 10374564420, 20749128840]

約数ペア:

[(1, 20749128840), (2, 10374564420), (3, 6916376280), (4, 5187282210), (5, 4149825768), (6, 3458188140), (8, 2593641105), (9, 2305458760), (10, 2074912884), (11, 1886284440), (12, 1729094070), (15, 1383275256), (18, 1152729380), (20, 1037456442), (22, 943142220), (24, 864547035), (30, 691637628), (33, 628761480), (36, 576364690), (40, 518728221), (43, 482537880), (44, 471571110), (45, 461091752), (55, 377256888), (60, 345818814), (66, 314380740), (72, 288182345), (86, 241268940), (88, 235785555), (90, 230545876), (99, 209587160), (110, 188628444), (120, 172909407), (129, 160845960), (132, 157190370), (165, 125752296), (172, 120634470), (180, 115272938), (198, 104793580), (215, 96507576), (220, 94314222), (258, 80422980), (264, 78595185), (330, 62876148), (344, 60317235), (360, 57636469), (387, 53615320), (396, 52396790), (430, 48253788), (440, 47157111), (473, 43867080), (495, 41917432), (516, 40211490), (645, 32169192), (660, 31438074), (774, 26807660), (792, 26198395), (860, 24126894), (946, 21933540), (990, 20958716), (1032, 20105745), (1290, 16084596), (1320, 15719037), (1419, 14622360), (1548, 13403830), (1720, 12063447), (1892, 10966770), (1935, 10723064), (1980, 10479358), (2365, 8773416), (2580, 8042298), (2838, 7311180), (3096, 6701915), (3784, 5483385), (3870, 5361532), (3960, 5239679), (4257, 4874120), (4730, 4386708), (5160, 4021149), (5676, 3655590), (7095, 2924472), (7740, 2680766), (8514, 2437060), (9460, 2193354), (11352, 1827795), (14190, 1462236), (15480, 1340383), (17028, 1218530), (18920, 1096677), (21285, 974824), (28380, 731118), (34056, 609265), (42570, 487412), (56760, 365559), (85140, 243706), (121853, 170280)]