20423579085

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5147}}^1$

素因数の和:5217

約数の個数: 256

約数和(自身を含む): 49816166400

約数和(自身を除く): 29392587315

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 19, 21, 27, 35, 39, 45, 51, 57, 63, 65, 85, 91, 95, 105, 117, 119, 133, 135, 153, 171, 189, 195, 221, 247, 255, 273, 285, 315, 323, 351, 357, 399, 455, 459, 513, 585, 595, 663, 665, 741, 765, 819, 855, 945, 969, 1071, 1105, 1197, 1235, 1365, 1547, 1615, 1729, 1755, 1785, 1989, 1995, 2223, 2261, 2295, 2457, 2565, 2907, 3213, 3315, 3591, 3705, 4095, 4199, 4641, 4845, 5147, 5187, 5355, 5967, 5985, 6669, 6783, 7735, 8645, 8721, 9945, 11115, 11305, 12285, 12597, 13923, 14535, 15441, 15561, 16065, 17955, 20349, 20995, 23205, 25735, 25935, 29393, 29835, 33345, 33915, 36029, 37791, 41769, 43605, 46323, 46683, 61047, 62985, 66911, 69615, 77205, 77805, 87499, 88179, 97793, 101745, 108087, 113373, 138969, 146965, 180145, 188955, 200733, 208845, 231615, 233415, 262497, 264537, 293379, 305235, 324261, 334555, 437495, 440895, 468377, 488965, 540435, 566865, 602199, 612493, 684551, 694845, 787491, 793611, 880137, 972783, 1003665, 1137487, 1271309, 1312485, 1322685, 1405131, 1466895, 1621305, 1662481, 1806597, 1837479, 2053653, 2341885, 2362473, 2640411, 3010995, 3062465, 3412461, 3422755, 3813927, 3937455, 3968055, 4215393, 4400685, 4863915, 4987443, 5512437, 5687435, 6160959, 6356545, 7025655, 7962409, 8312405, 8899163, 9032985, 9187395, 10237383, 10268265, 11441781, 11637367, 11812365, 12646179, 13202055, 14962329, 16537311, 17062305, 18482877, 19069635, 21076965, 21612253, 23887227, 24937215, 26697489, 27562185, 30712149, 30804795, 34325343, 34912101, 39812045, 44495815, 44886987, 51186915, 57208905, 58186835, 63230895, 64836759, 71661681, 74811645, 80092467, 82686555, 92414385, 104736303, 108061265, 119436135, 133487445, 151285771, 153560745, 171626715, 174560505, 194510277, 214985043, 224434935, 240277401, 314208909, 324183795, 358308405, 400462335, 453857313, 523681515, 583530831, 756428855, 972551385, 1074925215, 1201387005, 1361571939, 1571044545, 2269286565, 2917654155, 4084715817, 6807859695, 20423579085]

約数ペア:

[(1, 20423579085), (3, 6807859695), (5, 4084715817), (7, 2917654155), (9, 2269286565), (13, 1571044545), (15, 1361571939), (17, 1201387005), (19, 1074925215), (21, 972551385), (27, 756428855), (35, 583530831), (39, 523681515), (45, 453857313), (51, 400462335), (57, 358308405), (63, 324183795), (65, 314208909), (85, 240277401), (91, 224434935), (95, 214985043), (105, 194510277), (117, 174560505), (119, 171626715), (133, 153560745), (135, 151285771), (153, 133487445), (171, 119436135), (189, 108061265), (195, 104736303), (221, 92414385), (247, 82686555), (255, 80092467), (273, 74811645), (285, 71661681), (315, 64836759), (323, 63230895), (351, 58186835), (357, 57208905), (399, 51186915), (455, 44886987), (459, 44495815), (513, 39812045), (585, 34912101), (595, 34325343), (663, 30804795), (665, 30712149), (741, 27562185), (765, 26697489), (819, 24937215), (855, 23887227), (945, 21612253), (969, 21076965), (1071, 19069635), (1105, 18482877), (1197, 17062305), (1235, 16537311), (1365, 14962329), (1547, 13202055), (1615, 12646179), (1729, 11812365), (1755, 11637367), (1785, 11441781), (1989, 10268265), (1995, 10237383), (2223, 9187395), (2261, 9032985), (2295, 8899163), (2457, 8312405), (2565, 7962409), (2907, 7025655), (3213, 6356545), (3315, 6160959), (3591, 5687435), (3705, 5512437), (4095, 4987443), (4199, 4863915), (4641, 4400685), (4845, 4215393), (5147, 3968055), (5187, 3937455), (5355, 3813927), (5967, 3422755), (5985, 3412461), (6669, 3062465), (6783, 3010995), (7735, 2640411), (8645, 2362473), (8721, 2341885), (9945, 2053653), (11115, 1837479), (11305, 1806597), (12285, 1662481), (12597, 1621305), (13923, 1466895), (14535, 1405131), (15441, 1322685), (15561, 1312485), (16065, 1271309), (17955, 1137487), (20349, 1003665), (20995, 972783), (23205, 880137), (25735, 793611), (25935, 787491), (29393, 694845), (29835, 684551), (33345, 612493), (33915, 602199), (36029, 566865), (37791, 540435), (41769, 488965), (43605, 468377), (46323, 440895), (46683, 437495), (61047, 334555), (62985, 324261), (66911, 305235), (69615, 293379), (77205, 264537), (77805, 262497), (87499, 233415), (88179, 231615), (97793, 208845), (101745, 200733), (108087, 188955), (113373, 180145), (138969, 146965)]