20190640344

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{85661}}^1$

素因数の和:85761

約数の個数: 128

約数和(自身を含む): 61183226880

約数和(自身を除く): 40992586536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 61, 69, 84, 92, 122, 138, 161, 168, 183, 184, 244, 276, 322, 366, 427, 483, 488, 552, 644, 732, 854, 966, 1281, 1288, 1403, 1464, 1708, 1932, 2562, 2806, 3416, 3864, 4209, 5124, 5612, 8418, 9821, 10248, 11224, 16836, 19642, 29463, 33672, 39284, 58926, 78568, 85661, 117852, 171322, 235704, 256983, 342644, 513966, 599627, 685288, 1027932, 1199254, 1798881, 1970203, 2055864, 2398508, 3597762, 3940406, 4797016, 5225321, 5910609, 7195524, 7880812, 10450642, 11821218, 13791421, 14391048, 15675963, 15761624, 20901284, 23642436, 27582842, 31351926, 36577247, 41374263, 41802568, 47284872, 55165684, 62703852, 73154494, 82748526, 109731741, 110331368, 120182383, 125407704, 146308988, 165497052, 219463482, 240364766, 292617976, 330994104, 360547149, 438926964, 480729532, 721094298, 841276681, 877853928, 961459064, 1442188596, 1682553362, 2523830043, 2884377192, 3365106724, 5047660086, 6730213448, 10095320172, 20190640344]

約数ペア:

[(1, 20190640344), (2, 10095320172), (3, 6730213448), (4, 5047660086), (6, 3365106724), (7, 2884377192), (8, 2523830043), (12, 1682553362), (14, 1442188596), (21, 961459064), (23, 877853928), (24, 841276681), (28, 721094298), (42, 480729532), (46, 438926964), (56, 360547149), (61, 330994104), (69, 292617976), (84, 240364766), (92, 219463482), (122, 165497052), (138, 146308988), (161, 125407704), (168, 120182383), (183, 110331368), (184, 109731741), (244, 82748526), (276, 73154494), (322, 62703852), (366, 55165684), (427, 47284872), (483, 41802568), (488, 41374263), (552, 36577247), (644, 31351926), (732, 27582842), (854, 23642436), (966, 20901284), (1281, 15761624), (1288, 15675963), (1403, 14391048), (1464, 13791421), (1708, 11821218), (1932, 10450642), (2562, 7880812), (2806, 7195524), (3416, 5910609), (3864, 5225321), (4209, 4797016), (5124, 3940406), (5612, 3597762), (8418, 2398508), (9821, 2055864), (10248, 1970203), (11224, 1798881), (16836, 1199254), (19642, 1027932), (29463, 685288), (33672, 599627), (39284, 513966), (58926, 342644), (78568, 256983), (85661, 235704), (117852, 171322)]