20019720672

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{487}}^1\times {\mathrm{971}}^1$

素因数の和:1491

約数の個数: 288

約数和(自身を含む): 68133623040

約数和(自身を除く): 48113902368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 487, 504, 588, 672, 756, 784, 864, 882, 971, 974, 1008, 1176, 1323, 1461, 1512, 1568, 1764, 1942, 1948, 2016, 2352, 2646, 2913, 2922, 3024, 3409, 3528, 3884, 3896, 4383, 4704, 5292, 5826, 5844, 6048, 6797, 6818, 7056, 7768, 7792, 8739, 8766, 10227, 10584, 11652, 11688, 13149, 13594, 13636, 14112, 15536, 15584, 17478, 17532, 20391, 20454, 21168, 23304, 23376, 23863, 26217, 26298, 27188, 27272, 30681, 31072, 34956, 35064, 40782, 40908, 42336, 46608, 46752, 47579, 47726, 52434, 52596, 54376, 54544, 61173, 61362, 69912, 70128, 71589, 81564, 81816, 92043, 93216, 95158, 95452, 104868, 105192, 108752, 109088, 122346, 122724, 139824, 140256, 142737, 143178, 163128, 163632, 183519, 184086, 190316, 190904, 209736, 210384, 214767, 217504, 244692, 245448, 279648, 285474, 286356, 326256, 327264, 367038, 368172, 380632, 381808, 419472, 420768, 428211, 429534, 472877, 489384, 490896, 570948, 572712, 644301, 652512, 734076, 736344, 761264, 763616, 838944, 856422, 859068, 945754, 978768, 981792, 1141896, 1145424, 1284633, 1288602, 1418631, 1468152, 1472688, 1522528, 1712844, 1718136, 1891508, 1957536, 2283792, 2290848, 2569266, 2577204, 2837262, 2936304, 2945376, 3310139, 3425688, 3436272, 3783016, 4255893, 4567584, 5138532, 5154408, 5674524, 5872608, 6620278, 6851376, 6872544, 7566032, 8511786, 9930417, 10277064, 10308816, 11349048, 12767679, 13240556, 13702752, 15132064, 17023572, 19860834, 20554128, 20617632, 22698096, 23170973, 25535358, 26481112, 29791251, 34047144, 39721668, 41108256, 45396192, 46341946, 51070716, 52962224, 59582502, 68094288, 69512919, 79443336, 89373753, 92683892, 102141432, 105924448, 119165004, 136188576, 139025838, 158886672, 178747506, 185367784, 204282864, 208538757, 238330008, 278051676, 317773344, 357495012, 370735568, 408565728, 417077514, 476660016, 556103352, 625616271, 714990024, 741471136, 834155028, 953320032, 1112206704, 1251232542, 1429980048, 1668310056, 2224413408, 2502465084, 2859960096, 3336620112, 5004930168, 6673240224, 10009860336, 20019720672]

約数ペア:

[(1, 20019720672), (2, 10009860336), (3, 6673240224), (4, 5004930168), (6, 3336620112), (7, 2859960096), (8, 2502465084), (9, 2224413408), (12, 1668310056), (14, 1429980048), (16, 1251232542), (18, 1112206704), (21, 953320032), (24, 834155028), (27, 741471136), (28, 714990024), (32, 625616271), (36, 556103352), (42, 476660016), (48, 417077514), (49, 408565728), (54, 370735568), (56, 357495012), (63, 317773344), (72, 278051676), (84, 238330008), (96, 208538757), (98, 204282864), (108, 185367784), (112, 178747506), (126, 158886672), (144, 139025838), (147, 136188576), (168, 119165004), (189, 105924448), (196, 102141432), (216, 92683892), (224, 89373753), (252, 79443336), (288, 69512919), (294, 68094288), (336, 59582502), (378, 52962224), (392, 51070716), (432, 46341946), (441, 45396192), (487, 41108256), (504, 39721668), (588, 34047144), (672, 29791251), (756, 26481112), (784, 25535358), (864, 23170973), (882, 22698096), (971, 20617632), (974, 20554128), (1008, 19860834), (1176, 17023572), (1323, 15132064), (1461, 13702752), (1512, 13240556), (1568, 12767679), (1764, 11349048), (1942, 10308816), (1948, 10277064), (2016, 9930417), (2352, 8511786), (2646, 7566032), (2913, 6872544), (2922, 6851376), (3024, 6620278), (3409, 5872608), (3528, 5674524), (3884, 5154408), (3896, 5138532), (4383, 4567584), (4704, 4255893), (5292, 3783016), (5826, 3436272), (5844, 3425688), (6048, 3310139), (6797, 2945376), (6818, 2936304), (7056, 2837262), (7768, 2577204), (7792, 2569266), (8739, 2290848), (8766, 2283792), (10227, 1957536), (10584, 1891508), (11652, 1718136), (11688, 1712844), (13149, 1522528), (13594, 1472688), (13636, 1468152), (14112, 1418631), (15536, 1288602), (15584, 1284633), (17478, 1145424), (17532, 1141896), (20391, 981792), (20454, 978768), (21168, 945754), (23304, 859068), (23376, 856422), (23863, 838944), (26217, 763616), (26298, 761264), (27188, 736344), (27272, 734076), (30681, 652512), (31072, 644301), (34956, 572712), (35064, 570948), (40782, 490896), (40908, 489384), (42336, 472877), (46608, 429534), (46752, 428211), (47579, 420768), (47726, 419472), (52434, 381808), (52596, 380632), (54376, 368172), (54544, 367038), (61173, 327264), (61362, 326256), (69912, 286356), (70128, 285474), (71589, 279648), (81564, 245448), (81816, 244692), (92043, 217504), (93216, 214767), (95158, 210384), (95452, 209736), (104868, 190904), (105192, 190316), (108752, 184086), (109088, 183519), (122346, 163632), (122724, 163128), (139824, 143178), (140256, 142737)]