20530297.000000000

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:760

約数の個数: 240

約数和(自身を含む): 1712430720

約数和(自身を除く): 1198903356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 27, 28, 34, 36, 38, 42, 51, 54, 57, 63, 68, 76, 81, 84, 102, 108, 114, 119, 126, 133, 153, 162, 171, 189, 204, 228, 238, 252, 266, 306, 323, 324, 342, 357, 378, 399, 459, 476, 513, 532, 567, 612, 646, 684, 701, 714, 756, 798, 918, 969, 1026, 1071, 1134, 1197, 1292, 1377, 1402, 1428, 1539, 1596, 1836, 1938, 2052, 2103, 2142, 2261, 2268, 2394, 2754, 2804, 2907, 3078, 3213, 3591, 3876, 4206, 4284, 4522, 4788, 4907, 5508, 5814, 6156, 6309, 6426, 6783, 7182, 8412, 8721, 9044, 9639, 9814, 10773, 11628, 11917, 12618, 12852, 13319, 13566, 14364, 14721, 17442, 18927, 19278, 19628, 20349, 21546, 23834, 25236, 26163, 26638, 27132, 29442, 34884, 35751, 37854, 38556, 39957, 40698, 43092, 44163, 47668, 52326, 53276, 56781, 58884, 61047, 71502, 75708, 79914, 81396, 83419, 88326, 93233, 104652, 107253, 113562, 119871, 122094, 132489, 143004, 159828, 166838, 176652, 183141, 186466, 214506, 226423, 227124, 239742, 244188, 250257, 264978, 279699, 321759, 333676, 359613, 366282, 372932, 397467, 429012, 452846, 479484, 500514, 529956, 559398, 643518, 679269, 719226, 732564, 750771, 794934, 839097, 905692, 965277, 1001028, 1078839, 1118796, 1287036, 1358538, 1438452, 1501542, 1584961, 1589868, 1678194, 1930554, 2037807, 2157678, 2252313, 2517291, 2717076, 3003084, 3169922, 3356388, 3861108, 4075614, 4315356, 4504626, 4754883, 5034582, 6113421, 6339844, 6756939, 7551873, 8151228, 9009252, 9509766, 10069164, 12226842, 13513878, 14264649, 15103746, 18340263, 19019532, 24453684, 27027756, 28529298, 30207492, 36680526, 42793947, 57058596, 73361052, 85587894, 128381841, 171175788, 256763682, 513527364]

約数ペア:

[(1, 513527364), (2, 256763682), (3, 171175788), (4, 128381841), (6, 85587894), (7, 73361052), (9, 57058596), (12, 42793947), (14, 36680526), (17, 30207492), (18, 28529298), (19, 27027756), (21, 24453684), (27, 19019532), (28, 18340263), (34, 15103746), (36, 14264649), (38, 13513878), (42, 12226842), (51, 10069164), (54, 9509766), (57, 9009252), (63, 8151228), (68, 7551873), (76, 6756939), (81, 6339844), (84, 6113421), (102, 5034582), (108, 4754883), (114, 4504626), (119, 4315356), (126, 4075614), (133, 3861108), (153, 3356388), (162, 3169922), (171, 3003084), (189, 2717076), (204, 2517291), (228, 2252313), (238, 2157678), (252, 2037807), (266, 1930554), (306, 1678194), (323, 1589868), (324, 1584961), (342, 1501542), (357, 1438452), (378, 1358538), (399, 1287036), (459, 1118796), (476, 1078839), (513, 1001028), (532, 965277), (567, 905692), (612, 839097), (646, 794934), (684, 750771), (701, 732564), (714, 719226), (756, 679269), (798, 643518), (918, 559398), (969, 529956), (1026, 500514), (1071, 479484), (1134, 452846), (1197, 429012), (1292, 397467), (1377, 372932), (1402, 366282), (1428, 359613), (1539, 333676), (1596, 321759), (1836, 279699), (1938, 264978), (2052, 250257), (2103, 244188), (2142, 239742), (2261, 227124), (2268, 226423), (2394, 214506), (2754, 186466), (2804, 183141), (2907, 176652), (3078, 166838), (3213, 159828), (3591, 143004), (3876, 132489), (4206, 122094), (4284, 119871), (4522, 113562), (4788, 107253), (4907, 104652), (5508, 93233), (5814, 88326), (6156, 83419), (6309, 81396), (6426, 79914), (6783, 75708), (7182, 71502), (8412, 61047), (8721, 58884), (9044, 56781), (9639, 53276), (9814, 52326), (10773, 47668), (11628, 44163), (11917, 43092), (12618, 40698), (12852, 39957), (13319, 38556), (13566, 37854), (14364, 35751), (14721, 34884), (17442, 29442), (18927, 27132), (19278, 26638), (19628, 26163), (20349, 25236), (21546, 23834)]