20905820460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:179

約数の個数: 576

約数和(自身を含む): 79693286400

約数和(自身を除く): 58787465940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 41, 42, 45, 57, 59, 60, 63, 70, 76, 82, 84, 90, 95, 105, 114, 118, 123, 126, 133, 140, 164, 171, 177, 180, 190, 205, 210, 228, 236, 246, 252, 266, 285, 287, 295, 315, 342, 354, 361, 369, 380, 399, 410, 413, 420, 492, 531, 532, 570, 574, 590, 615, 630, 665, 684, 708, 722, 738, 779, 798, 820, 826, 855, 861, 885, 1062, 1083, 1121, 1140, 1148, 1180, 1197, 1230, 1239, 1260, 1330, 1435, 1444, 1476, 1558, 1596, 1652, 1710, 1722, 1770, 1805, 1845, 1995, 2065, 2124, 2166, 2242, 2337, 2394, 2419, 2460, 2478, 2527, 2583, 2655, 2660, 2870, 3116, 3249, 3363, 3420, 3444, 3540, 3610, 3690, 3717, 3895, 3990, 4130, 4305, 4332, 4484, 4674, 4788, 4838, 4956, 5054, 5166, 5310, 5415, 5453, 5605, 5740, 5985, 6195, 6498, 6726, 6859, 7011, 7220, 7257, 7380, 7434, 7581, 7790, 7847, 7980, 8260, 8610, 9348, 9676, 10089, 10108, 10332, 10620, 10830, 10906, 11210, 11685, 11970, 12095, 12390, 12635, 12915, 12996, 13452, 13718, 14022, 14514, 14801, 14868, 15162, 15580, 15694, 16245, 16359, 16815, 16933, 17220, 18585, 20178, 20577, 21299, 21660, 21771, 21812, 22420, 22743, 23370, 23541, 23940, 24190, 24780, 25270, 25830, 27265, 27436, 28044, 29028, 29602, 30324, 31388, 32490, 32718, 33630, 33866, 34295, 35055, 36285, 37170, 37905, 39235, 40356, 41154, 42598, 43542, 44403, 45486, 45961, 46740, 47082, 48013, 48380, 49077, 50445, 50540, 50799, 51660, 54530, 59204, 61731, 63897, 64980, 65436, 67260, 67732, 68590, 70110, 70623, 72570, 74005, 74340, 75810, 78470, 81795, 82308, 84665, 85196, 87084, 88806, 90972, 91922, 94164, 96026, 98154, 100890, 101598, 102885, 103607, 106495, 108855, 109060, 113715, 117705, 123462, 127794, 133209, 137180, 137883, 140220, 141246, 144039, 145140, 148010, 149093, 151620, 152397, 156940, 163590, 169330, 177612, 183844, 191691, 192052, 196308, 201780, 203196, 205770, 207214, 212990, 217710, 222015, 227430, 229805, 235410, 240065, 245385, 246924, 253995, 255588, 266418, 275766, 281219, 282492, 288078, 296020, 298186, 304794, 308655, 310821, 319485, 321727, 327180, 338660, 353115, 383382, 404681, 411540, 413649, 414428, 425980, 432117, 435420, 444030, 447279, 454860, 459610, 470820, 480130, 490770, 507990, 518035, 532836, 551532, 562438, 576156, 596372, 609588, 617310, 621642, 638970, 643454, 666045, 689415, 706230, 720195, 745465, 761985, 766764, 809362, 827298, 843657, 864234, 873259, 888060, 894558, 919220, 932463, 958455, 960260, 965181, 981540, 1015980, 1036070, 1124876, 1214043, 1234620, 1243284, 1277940, 1286908, 1332090, 1341837, 1378830, 1406095, 1412460, 1440390, 1490930, 1523970, 1554105, 1608635, 1618724, 1654596, 1687314, 1728468, 1746518, 1789116, 1864926, 1916910, 1930362, 1968533, 2023405, 2068245, 2072140, 2160585, 2236395, 2428086, 2530971, 2619777, 2664180, 2683674, 2757660, 2812190, 2832767, 2880780, 2895543, 2981860, 3047940, 3108210, 3217270, 3374628, 3493036, 3642129, 3729852, 3833820, 3860724, 3937066, 4046810, 4136490, 4218285, 4321170, 4366295, 4472790, 4662315, 4825905, 4856172, 5061942, 5239554, 5367348, 5624380, 5665534, 5791086, 5905599, 6070215, 6112813, 6216420, 6434540, 6709185, 7284258, 7859331, 7874132, 8093620, 8272980, 8436570, 8498301, 8642340, 8732590, 8945580, 9324630, 9651810, 9842665, 10123884, 10479108, 11331068, 11582172, 11811198, 12140430, 12225626, 12654855, 13098885, 13418370, 14163835, 14477715, 14568516, 15718662, 16591921, 16873140, 16996602, 17465180, 17716797, 18210645, 18338439, 18649260, 19303620, 19685330, 23622396, 24280860, 24451252, 25309710, 25494903, 26197770, 26836740, 28327670, 28955430, 29527995, 30564065, 31437324, 33183842, 33993204, 35433594, 36421290, 36676878, 39296655, 39370660, 42491505, 49775763, 50619420, 50989806, 52395540, 55015317, 56655340, 57910860, 59055990, 61128130, 66367684, 70867188, 72842580, 73353756, 78593310, 82959605, 84983010, 88583985, 91692195, 99551526, 101979612, 110030634, 116143447, 118111980, 122256260, 127474515, 149327289, 157186620, 165919210, 169966020, 177167970, 183384390, 199103052, 220061268, 232286894, 248878815, 254949030, 275076585, 298654578, 331838420, 348430341, 354335940, 366768780, 464573788, 497757630, 509898060, 550153170, 580717235, 597309156, 696860682, 746636445, 995515260, 1045291023, 1100306340, 1161434470, 1393721364, 1493272890, 1742151705, 2090582046, 2322868940, 2986545780, 3484303410, 4181164092, 5226455115, 6968606820, 10452910230, 20905820460]

約数ペア:

[(1, 20905820460), (2, 10452910230), (3, 6968606820), (4, 5226455115), (5, 4181164092), (6, 3484303410), (7, 2986545780), (9, 2322868940), (10, 2090582046), (12, 1742151705), (14, 1493272890), (15, 1393721364), (18, 1161434470), (19, 1100306340), (20, 1045291023), (21, 995515260), (28, 746636445), (30, 696860682), (35, 597309156), (36, 580717235), (38, 550153170), (41, 509898060), (42, 497757630), (45, 464573788), (57, 366768780), (59, 354335940), (60, 348430341), (63, 331838420), (70, 298654578), (76, 275076585), (82, 254949030), (84, 248878815), (90, 232286894), (95, 220061268), (105, 199103052), (114, 183384390), (118, 177167970), (123, 169966020), (126, 165919210), (133, 157186620), (140, 149327289), (164, 127474515), (171, 122256260), (177, 118111980), (180, 116143447), (190, 110030634), (205, 101979612), (210, 99551526), (228, 91692195), (236, 88583985), (246, 84983010), (252, 82959605), (266, 78593310), (285, 73353756), (287, 72842580), (295, 70867188), (315, 66367684), (342, 61128130), (354, 59055990), (361, 57910860), (369, 56655340), (380, 55015317), (399, 52395540), (410, 50989806), (413, 50619420), (420, 49775763), (492, 42491505), (531, 39370660), (532, 39296655), (570, 36676878), (574, 36421290), (590, 35433594), (615, 33993204), (630, 33183842), (665, 31437324), (684, 30564065), (708, 29527995), (722, 28955430), (738, 28327670), (779, 26836740), (798, 26197770), (820, 25494903), (826, 25309710), (855, 24451252), (861, 24280860), (885, 23622396), (1062, 19685330), (1083, 19303620), (1121, 18649260), (1140, 18338439), (1148, 18210645), (1180, 17716797), (1197, 17465180), (1230, 16996602), (1239, 16873140), (1260, 16591921), (1330, 15718662), (1435, 14568516), (1444, 14477715), (1476, 14163835), (1558, 13418370), (1596, 13098885), (1652, 12654855), (1710, 12225626), (1722, 12140430), (1770, 11811198), (1805, 11582172), (1845, 11331068), (1995, 10479108), (2065, 10123884), (2124, 9842665), (2166, 9651810), (2242, 9324630), (2337, 8945580), (2394, 8732590), (2419, 8642340), (2460, 8498301), (2478, 8436570), (2527, 8272980), (2583, 8093620), (2655, 7874132), (2660, 7859331), (2870, 7284258), (3116, 6709185), (3249, 6434540), (3363, 6216420), (3420, 6112813), (3444, 6070215), (3540, 5905599), (3610, 5791086), (3690, 5665534), (3717, 5624380), (3895, 5367348), (3990, 5239554), (4130, 5061942), (4305, 4856172), (4332, 4825905), (4484, 4662315), (4674, 4472790), (4788, 4366295), (4838, 4321170), (4956, 4218285), (5054, 4136490), (5166, 4046810), (5310, 3937066), (5415, 3860724), (5453, 3833820), (5605, 3729852), (5740, 3642129), (5985, 3493036), (6195, 3374628), (6498, 3217270), (6726, 3108210), (6859, 3047940), (7011, 2981860), (7220, 2895543), (7257, 2880780), (7380, 2832767), (7434, 2812190), (7581, 2757660), (7790, 2683674), (7847, 2664180), (7980, 2619777), (8260, 2530971), (8610, 2428086), (9348, 2236395), (9676, 2160585), (10089, 2072140), (10108, 2068245), (10332, 2023405), (10620, 1968533), (10830, 1930362), (10906, 1916910), (11210, 1864926), (11685, 1789116), (11970, 1746518), (12095, 1728468), (12390, 1687314), (12635, 1654596), (12915, 1618724), (12996, 1608635), (13452, 1554105), (13718, 1523970), (14022, 1490930), (14514, 1440390), (14801, 1412460), (14868, 1406095), (15162, 1378830), (15580, 1341837), (15694, 1332090), (16245, 1286908), (16359, 1277940), (16815, 1243284), (16933, 1234620), (17220, 1214043), (18585, 1124876), (20178, 1036070), (20577, 1015980), (21299, 981540), (21660, 965181), (21771, 960260), (21812, 958455), (22420, 932463), (22743, 919220), (23370, 894558), (23541, 888060), (23940, 873259), (24190, 864234), (24780, 843657), (25270, 827298), (25830, 809362), (27265, 766764), (27436, 761985), (28044, 745465), (29028, 720195), (29602, 706230), (30324, 689415), (31388, 666045), (32490, 643454), (32718, 638970), (33630, 621642), (33866, 617310), (34295, 609588), (35055, 596372), (36285, 576156), (37170, 562438), (37905, 551532), (39235, 532836), (40356, 518035), (41154, 507990), (42598, 490770), (43542, 480130), (44403, 470820), (45486, 459610), (45961, 454860), (46740, 447279), (47082, 444030), (48013, 435420), (48380, 432117), (49077, 425980), (50445, 414428), (50540, 413649), (50799, 411540), (51660, 404681), (54530, 383382), (59204, 353115), (61731, 338660), (63897, 327180), (64980, 321727), (65436, 319485), (67260, 310821), (67732, 308655), (68590, 304794), (70110, 298186), (70623, 296020), (72570, 288078), (74005, 282492), (74340, 281219), (75810, 275766), (78470, 266418), (81795, 255588), (82308, 253995), (84665, 246924), (85196, 245385), (87084, 240065), (88806, 235410), (90972, 229805), (91922, 227430), (94164, 222015), (96026, 217710), (98154, 212990), (100890, 207214), (101598, 205770), (102885, 203196), (103607, 201780), (106495, 196308), (108855, 192052), (109060, 191691), (113715, 183844), (117705, 177612), (123462, 169330), (127794, 163590), (133209, 156940), (137180, 152397), (137883, 151620), (140220, 149093), (141246, 148010), (144039, 145140)]