20199957540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:715

約数の個数: 384

約数和(自身を含む): 70911590400

約数和(自身を除く): 50711632860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 29, 30, 35, 38, 42, 57, 58, 60, 70, 76, 84, 87, 95, 105, 114, 116, 133, 140, 145, 174, 190, 191, 203, 210, 228, 266, 285, 290, 348, 380, 382, 399, 406, 420, 435, 457, 532, 551, 570, 573, 580, 609, 665, 764, 798, 812, 870, 914, 955, 1015, 1102, 1140, 1146, 1218, 1330, 1337, 1371, 1596, 1653, 1740, 1828, 1910, 1995, 2030, 2204, 2285, 2292, 2436, 2660, 2674, 2742, 2755, 2865, 3045, 3199, 3306, 3629, 3820, 3857, 3990, 4011, 4060, 4570, 5348, 5484, 5510, 5539, 5730, 6090, 6398, 6612, 6685, 6855, 7258, 7714, 7980, 8022, 8265, 8683, 9140, 9597, 10887, 11020, 11078, 11460, 11571, 12180, 12796, 13253, 13370, 13710, 14516, 15428, 15995, 16044, 16530, 16617, 17366, 18145, 19194, 19285, 20055, 21774, 22156, 23142, 25403, 26049, 26506, 26740, 27420, 27695, 31990, 33060, 33234, 34732, 36290, 38388, 38570, 38773, 39759, 40110, 43415, 43548, 46284, 47985, 50806, 52098, 53012, 54435, 55390, 57855, 60781, 63980, 66265, 66468, 72580, 76209, 77140, 77546, 79518, 80220, 83085, 86830, 87287, 92771, 95970, 101612, 104196, 105241, 108870, 110780, 115710, 116319, 121562, 127015, 130245, 132530, 152418, 155092, 159036, 166170, 173660, 174574, 182343, 185542, 191940, 193865, 198795, 210482, 217740, 231420, 232638, 243124, 251807, 254030, 260490, 261861, 265060, 278313, 303905, 304836, 315723, 332340, 349148, 364686, 371084, 381045, 387730, 397590, 420964, 436435, 463855, 465276, 503614, 508060, 520980, 523722, 526205, 556626, 581595, 607810, 611009, 631446, 729372, 736687, 755421, 762090, 775460, 795180, 872870, 911715, 927710, 1007228, 1047444, 1052410, 1113252, 1163190, 1215620, 1222018, 1259035, 1262892, 1309305, 1391565, 1473374, 1510842, 1524180, 1578615, 1658453, 1745740, 1762649, 1823430, 1833027, 1855420, 2104820, 2210061, 2326380, 2444036, 2518070, 2531323, 2618610, 2783130, 2946748, 3021684, 3055045, 3157230, 3316906, 3525298, 3646860, 3666054, 3683435, 3777105, 4420122, 4975359, 5036140, 5062646, 5237220, 5287947, 5566260, 6110090, 6314460, 6633812, 7050596, 7332108, 7366870, 7554210, 7593969, 8292265, 8813245, 8840244, 9165135, 9950718, 10125292, 10575894, 11050305, 11609171, 12220180, 12656615, 14733740, 15108420, 15187938, 16584530, 17626490, 17719261, 18330270, 19901436, 21151788, 22100610, 23218342, 24876795, 25313230, 26439735, 30375876, 33169060, 34827513, 35252980, 35438522, 36660540, 37969845, 44201220, 46436684, 48095137, 49753590, 50626460, 52879470, 53157783, 58045855, 69655026, 70877044, 75939690, 88596305, 96190274, 99507180, 105758940, 106315566, 116091710, 139310052, 144285411, 151879380, 174137565, 177192610, 192380548, 212631132, 232183420, 240475685, 265788915, 288570822, 336665959, 348275130, 354385220, 480951370, 531577830, 577141644, 673331918, 696550260, 721427055, 961902740, 1009997877, 1063155660, 1346663836, 1442854110, 1683329795, 2019995754, 2885708220, 3366659590, 4039991508, 5049989385, 6733319180, 10099978770, 20199957540]

約数ペア:

[(1, 20199957540), (2, 10099978770), (3, 6733319180), (4, 5049989385), (5, 4039991508), (6, 3366659590), (7, 2885708220), (10, 2019995754), (12, 1683329795), (14, 1442854110), (15, 1346663836), (19, 1063155660), (20, 1009997877), (21, 961902740), (28, 721427055), (29, 696550260), (30, 673331918), (35, 577141644), (38, 531577830), (42, 480951370), (57, 354385220), (58, 348275130), (60, 336665959), (70, 288570822), (76, 265788915), (84, 240475685), (87, 232183420), (95, 212631132), (105, 192380548), (114, 177192610), (116, 174137565), (133, 151879380), (140, 144285411), (145, 139310052), (174, 116091710), (190, 106315566), (191, 105758940), (203, 99507180), (210, 96190274), (228, 88596305), (266, 75939690), (285, 70877044), (290, 69655026), (348, 58045855), (380, 53157783), (382, 52879470), (399, 50626460), (406, 49753590), (420, 48095137), (435, 46436684), (457, 44201220), (532, 37969845), (551, 36660540), (570, 35438522), (573, 35252980), (580, 34827513), (609, 33169060), (665, 30375876), (764, 26439735), (798, 25313230), (812, 24876795), (870, 23218342), (914, 22100610), (955, 21151788), (1015, 19901436), (1102, 18330270), (1140, 17719261), (1146, 17626490), (1218, 16584530), (1330, 15187938), (1337, 15108420), (1371, 14733740), (1596, 12656615), (1653, 12220180), (1740, 11609171), (1828, 11050305), (1910, 10575894), (1995, 10125292), (2030, 9950718), (2204, 9165135), (2285, 8840244), (2292, 8813245), (2436, 8292265), (2660, 7593969), (2674, 7554210), (2742, 7366870), (2755, 7332108), (2865, 7050596), (3045, 6633812), (3199, 6314460), (3306, 6110090), (3629, 5566260), (3820, 5287947), (3857, 5237220), (3990, 5062646), (4011, 5036140), (4060, 4975359), (4570, 4420122), (5348, 3777105), (5484, 3683435), (5510, 3666054), (5539, 3646860), (5730, 3525298), (6090, 3316906), (6398, 3157230), (6612, 3055045), (6685, 3021684), (6855, 2946748), (7258, 2783130), (7714, 2618610), (7980, 2531323), (8022, 2518070), (8265, 2444036), (8683, 2326380), (9140, 2210061), (9597, 2104820), (10887, 1855420), (11020, 1833027), (11078, 1823430), (11460, 1762649), (11571, 1745740), (12180, 1658453), (12796, 1578615), (13253, 1524180), (13370, 1510842), (13710, 1473374), (14516, 1391565), (15428, 1309305), (15995, 1262892), (16044, 1259035), (16530, 1222018), (16617, 1215620), (17366, 1163190), (18145, 1113252), (19194, 1052410), (19285, 1047444), (20055, 1007228), (21774, 927710), (22156, 911715), (23142, 872870), (25403, 795180), (26049, 775460), (26506, 762090), (26740, 755421), (27420, 736687), (27695, 729372), (31990, 631446), (33060, 611009), (33234, 607810), (34732, 581595), (36290, 556626), (38388, 526205), (38570, 523722), (38773, 520980), (39759, 508060), (40110, 503614), (43415, 465276), (43548, 463855), (46284, 436435), (47985, 420964), (50806, 397590), (52098, 387730), (53012, 381045), (54435, 371084), (55390, 364686), (57855, 349148), (60781, 332340), (63980, 315723), (66265, 304836), (66468, 303905), (72580, 278313), (76209, 265060), (77140, 261861), (77546, 260490), (79518, 254030), (80220, 251807), (83085, 243124), (86830, 232638), (87287, 231420), (92771, 217740), (95970, 210482), (101612, 198795), (104196, 193865), (105241, 191940), (108870, 185542), (110780, 182343), (115710, 174574), (116319, 173660), (121562, 166170), (127015, 159036), (130245, 155092), (132530, 152418)]