20804936820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 192

約数和(自身を含む): 60652247040

約数和(自身を除く): 39847310220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 109, 129, 167, 172, 215, 218, 258, 327, 334, 430, 436, 443, 501, 516, 545, 645, 654, 668, 835, 860, 886, 1002, 1090, 1290, 1308, 1329, 1635, 1670, 1772, 2004, 2180, 2215, 2505, 2580, 2658, 3270, 3340, 4430, 4687, 5010, 5316, 6540, 6645, 7181, 8860, 9374, 10020, 13290, 14061, 14362, 18203, 18748, 19049, 21543, 23435, 26580, 28122, 28724, 35905, 36406, 38098, 43086, 46870, 48287, 54609, 56244, 57147, 70305, 71810, 72812, 73981, 76196, 86172, 91015, 93740, 95245, 96574, 107715, 109218, 114294, 140610, 143620, 144861, 147962, 182030, 190490, 193148, 215430, 218436, 221943, 228588, 241435, 273045, 281220, 285735, 289722, 295924, 364060, 369905, 380980, 430860, 443886, 482870, 546090, 571470, 579444, 724305, 739810, 782729, 887772, 965740, 1092180, 1109715, 1142940, 1448610, 1479620, 1565458, 2076341, 2219430, 2348187, 2897220, 3130916, 3181183, 3913645, 4152682, 4438860, 4696374, 6229023, 6362366, 7827290, 8063929, 8305364, 9392748, 9543549, 10381705, 11740935, 12458046, 12724732, 15654580, 15905915, 16127858, 19087098, 20763410, 23481870, 24191787, 24916092, 31145115, 31811830, 32255716, 38174196, 40319645, 41526820, 46963740, 47717745, 48383574, 62290230, 63623660, 80639290, 95435490, 96767148, 120958935, 124580460, 161278580, 190870980, 241917870, 346748947, 483835740, 693497894, 1040246841, 1386995788, 1733744735, 2080493682, 3467489470, 4160987364, 5201234205, 6934978940, 10402468410, 20804936820]

約数ペア:

[(1, 20804936820), (2, 10402468410), (3, 6934978940), (4, 5201234205), (5, 4160987364), (6, 3467489470), (10, 2080493682), (12, 1733744735), (15, 1386995788), (20, 1040246841), (30, 693497894), (43, 483835740), (60, 346748947), (86, 241917870), (109, 190870980), (129, 161278580), (167, 124580460), (172, 120958935), (215, 96767148), (218, 95435490), (258, 80639290), (327, 63623660), (334, 62290230), (430, 48383574), (436, 47717745), (443, 46963740), (501, 41526820), (516, 40319645), (545, 38174196), (645, 32255716), (654, 31811830), (668, 31145115), (835, 24916092), (860, 24191787), (886, 23481870), (1002, 20763410), (1090, 19087098), (1290, 16127858), (1308, 15905915), (1329, 15654580), (1635, 12724732), (1670, 12458046), (1772, 11740935), (2004, 10381705), (2180, 9543549), (2215, 9392748), (2505, 8305364), (2580, 8063929), (2658, 7827290), (3270, 6362366), (3340, 6229023), (4430, 4696374), (4687, 4438860), (5010, 4152682), (5316, 3913645), (6540, 3181183), (6645, 3130916), (7181, 2897220), (8860, 2348187), (9374, 2219430), (10020, 2076341), (13290, 1565458), (14061, 1479620), (14362, 1448610), (18203, 1142940), (18748, 1109715), (19049, 1092180), (21543, 965740), (23435, 887772), (26580, 782729), (28122, 739810), (28724, 724305), (35905, 579444), (36406, 571470), (38098, 546090), (43086, 482870), (46870, 443886), (48287, 430860), (54609, 380980), (56244, 369905), (57147, 364060), (70305, 295924), (71810, 289722), (72812, 285735), (73981, 281220), (76196, 273045), (86172, 241435), (91015, 228588), (93740, 221943), (95245, 218436), (96574, 215430), (107715, 193148), (109218, 190490), (114294, 182030), (140610, 147962), (143620, 144861)]