20421020880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:619

約数の個数: 480

約数和(自身を含む): 76435107840

約数和(自身を除く): 56014086960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 48, 52, 60, 65, 72, 78, 80, 82, 90, 104, 117, 120, 123, 127, 130, 144, 156, 164, 180, 195, 205, 208, 234, 240, 246, 254, 260, 312, 328, 360, 369, 381, 390, 410, 419, 468, 492, 508, 520, 533, 585, 615, 624, 635, 656, 720, 738, 762, 780, 820, 838, 936, 984, 1016, 1040, 1066, 1143, 1170, 1230, 1257, 1270, 1476, 1524, 1560, 1599, 1640, 1651, 1676, 1845, 1872, 1905, 1968, 2032, 2095, 2132, 2286, 2340, 2460, 2514, 2540, 2665, 2952, 3048, 3120, 3198, 3280, 3302, 3352, 3690, 3771, 3810, 4190, 4264, 4572, 4680, 4797, 4920, 4953, 5028, 5080, 5207, 5330, 5447, 5715, 5904, 6096, 6285, 6396, 6604, 6704, 7380, 7542, 7620, 7995, 8255, 8380, 8528, 9144, 9360, 9594, 9840, 9906, 10056, 10160, 10414, 10660, 10894, 11430, 12570, 12792, 13208, 14760, 14859, 15084, 15240, 15621, 15990, 16341, 16510, 16760, 17179, 18288, 18855, 19188, 19812, 20112, 20828, 21320, 21788, 22860, 23985, 24765, 25140, 25584, 26035, 26416, 27235, 29520, 29718, 30168, 30480, 31242, 31980, 32682, 33020, 33520, 34358, 37710, 38376, 39624, 41656, 42640, 43576, 45720, 46863, 47970, 49023, 49530, 50280, 51537, 52070, 53213, 54470, 59436, 60336, 62484, 63960, 65364, 66040, 67691, 68716, 74295, 75420, 76752, 78105, 79248, 81705, 83312, 85895, 87152, 91440, 93726, 95940, 98046, 99060, 100560, 103074, 104140, 106426, 108940, 118872, 124968, 127920, 130728, 132080, 135382, 137432, 148590, 150840, 154611, 156210, 159639, 163410, 171790, 187452, 191880, 196092, 198120, 203073, 206148, 208280, 212852, 217880, 223327, 234315, 237744, 245115, 249936, 257685, 261456, 266065, 270764, 274864, 297180, 301680, 309222, 312420, 319278, 326820, 338455, 343580, 374904, 383760, 392184, 396240, 406146, 412296, 416560, 425704, 435760, 446654, 468630, 478917, 490230, 515370, 532130, 541528, 594360, 609219, 618444, 624840, 638556, 653640, 669981, 676910, 687160, 691769, 749808, 773055, 784368, 798195, 812292, 824592, 851408, 893308, 937260, 957834, 980460, 1015365, 1030740, 1064260, 1083056, 1116635, 1188720, 1218438, 1236888, 1249680, 1277112, 1307280, 1339962, 1353820, 1374320, 1383538, 1546110, 1596390, 1624584, 1786616, 1874520, 1915668, 1960920, 2009943, 2030730, 2061480, 2075307, 2128520, 2181733, 2233270, 2394585, 2436876, 2473776, 2554224, 2679924, 2707640, 2767076, 3046095, 3092220, 3192780, 3249168, 3349905, 3458845, 3573232, 3749040, 3831336, 3921840, 4019886, 4061460, 4122960, 4150614, 4257040, 4363466, 4466540, 4789170, 4873752, 5359848, 5415280, 5534152, 6092190, 6184440, 6225921, 6385560, 6545199, 6699810, 6917690, 7662672, 8039772, 8122920, 8301228, 8726932, 8933080, 9578340, 9747504, 10049715, 10376535, 10719696, 10908665, 11068304, 12184380, 12368880, 12451842, 12771120, 13090398, 13399620, 13835380, 16079544, 16245840, 16602456, 17453864, 17866160, 19156680, 19635597, 20099430, 20753070, 21817330, 24368760, 24903684, 26180796, 26799240, 27670760, 28362529, 31129605, 32159088, 32725995, 33204912, 34907728, 38313360, 39271194, 40198860, 41506140, 43634660, 48737520, 49807368, 52361592, 53598480, 55341520, 56725058, 62259210, 65451990, 78542388, 80397720, 83012280, 85087587, 87269320, 98177985, 99614736, 104723184, 113450116, 124518420, 130903980, 141812645, 157084776, 160795440, 166024560, 170175174, 174538640, 196355970, 226900232, 249036840, 255262761, 261807960, 283625290, 314169552, 340350348, 392711940, 425437935, 453800464, 498073680, 510525522, 523615920, 567250580, 680700696, 785423880, 850875870, 1021051044, 1134501160, 1276313805, 1361401392, 1570847760, 1701751740, 2042102088, 2269002320, 2552627610, 3403503480, 4084204176, 5105255220, 6807006960, 10210510440, 20421020880]

約数ペア:

[(1, 20421020880), (2, 10210510440), (3, 6807006960), (4, 5105255220), (5, 4084204176), (6, 3403503480), (8, 2552627610), (9, 2269002320), (10, 2042102088), (12, 1701751740), (13, 1570847760), (15, 1361401392), (16, 1276313805), (18, 1134501160), (20, 1021051044), (24, 850875870), (26, 785423880), (30, 680700696), (36, 567250580), (39, 523615920), (40, 510525522), (41, 498073680), (45, 453800464), (48, 425437935), (52, 392711940), (60, 340350348), (65, 314169552), (72, 283625290), (78, 261807960), (80, 255262761), (82, 249036840), (90, 226900232), (104, 196355970), (117, 174538640), (120, 170175174), (123, 166024560), (127, 160795440), (130, 157084776), (144, 141812645), (156, 130903980), (164, 124518420), (180, 113450116), (195, 104723184), (205, 99614736), (208, 98177985), (234, 87269320), (240, 85087587), (246, 83012280), (254, 80397720), (260, 78542388), (312, 65451990), (328, 62259210), (360, 56725058), (369, 55341520), (381, 53598480), (390, 52361592), (410, 49807368), (419, 48737520), (468, 43634660), (492, 41506140), (508, 40198860), (520, 39271194), (533, 38313360), (585, 34907728), (615, 33204912), (624, 32725995), (635, 32159088), (656, 31129605), (720, 28362529), (738, 27670760), (762, 26799240), (780, 26180796), (820, 24903684), (838, 24368760), (936, 21817330), (984, 20753070), (1016, 20099430), (1040, 19635597), (1066, 19156680), (1143, 17866160), (1170, 17453864), (1230, 16602456), (1257, 16245840), (1270, 16079544), (1476, 13835380), (1524, 13399620), (1560, 13090398), (1599, 12771120), (1640, 12451842), (1651, 12368880), (1676, 12184380), (1845, 11068304), (1872, 10908665), (1905, 10719696), (1968, 10376535), (2032, 10049715), (2095, 9747504), (2132, 9578340), (2286, 8933080), (2340, 8726932), (2460, 8301228), (2514, 8122920), (2540, 8039772), (2665, 7662672), (2952, 6917690), (3048, 6699810), (3120, 6545199), (3198, 6385560), (3280, 6225921), (3302, 6184440), (3352, 6092190), (3690, 5534152), (3771, 5415280), (3810, 5359848), (4190, 4873752), (4264, 4789170), (4572, 4466540), (4680, 4363466), (4797, 4257040), (4920, 4150614), (4953, 4122960), (5028, 4061460), (5080, 4019886), (5207, 3921840), (5330, 3831336), (5447, 3749040), (5715, 3573232), (5904, 3458845), (6096, 3349905), (6285, 3249168), (6396, 3192780), (6604, 3092220), (6704, 3046095), (7380, 2767076), (7542, 2707640), (7620, 2679924), (7995, 2554224), (8255, 2473776), (8380, 2436876), (8528, 2394585), (9144, 2233270), (9360, 2181733), (9594, 2128520), (9840, 2075307), (9906, 2061480), (10056, 2030730), (10160, 2009943), (10414, 1960920), (10660, 1915668), (10894, 1874520), (11430, 1786616), (12570, 1624584), (12792, 1596390), (13208, 1546110), (14760, 1383538), (14859, 1374320), (15084, 1353820), (15240, 1339962), (15621, 1307280), (15990, 1277112), (16341, 1249680), (16510, 1236888), (16760, 1218438), (17179, 1188720), (18288, 1116635), (18855, 1083056), (19188, 1064260), (19812, 1030740), (20112, 1015365), (20828, 980460), (21320, 957834), (21788, 937260), (22860, 893308), (23985, 851408), (24765, 824592), (25140, 812292), (25584, 798195), (26035, 784368), (26416, 773055), (27235, 749808), (29520, 691769), (29718, 687160), (30168, 676910), (30480, 669981), (31242, 653640), (31980, 638556), (32682, 624840), (33020, 618444), (33520, 609219), (34358, 594360), (37710, 541528), (38376, 532130), (39624, 515370), (41656, 490230), (42640, 478917), (43576, 468630), (45720, 446654), (46863, 435760), (47970, 425704), (49023, 416560), (49530, 412296), (50280, 406146), (51537, 396240), (52070, 392184), (53213, 383760), (54470, 374904), (59436, 343580), (60336, 338455), (62484, 326820), (63960, 319278), (65364, 312420), (66040, 309222), (67691, 301680), (68716, 297180), (74295, 274864), (75420, 270764), (76752, 266065), (78105, 261456), (79248, 257685), (81705, 249936), (83312, 245115), (85895, 237744), (87152, 234315), (91440, 223327), (93726, 217880), (95940, 212852), (98046, 208280), (99060, 206148), (100560, 203073), (103074, 198120), (104140, 196092), (106426, 191880), (108940, 187452), (118872, 171790), (124968, 163410), (127920, 159639), (130728, 156210), (132080, 154611), (135382, 150840), (137432, 148590)]