20820495528

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 576

約数和(自身を含む): 73354896000

約数和(自身を除く): 52534400472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 31, 36, 42, 46, 49, 54, 56, 62, 63, 69, 72, 84, 89, 92, 93, 98, 108, 124, 126, 138, 147, 161, 168, 178, 184, 186, 189, 196, 207, 216, 217, 248, 252, 267, 276, 279, 294, 322, 356, 372, 378, 392, 414, 434, 441, 483, 504, 534, 552, 558, 588, 621, 623, 644, 651, 712, 713, 744, 756, 801, 828, 837, 868, 882, 961, 966, 1068, 1116, 1127, 1176, 1242, 1246, 1288, 1302, 1323, 1426, 1449, 1512, 1519, 1602, 1656, 1674, 1736, 1764, 1869, 1922, 1932, 1953, 2047, 2136, 2139, 2232, 2254, 2403, 2484, 2492, 2604, 2646, 2759, 2852, 2883, 2898, 3038, 3204, 3348, 3381, 3528, 3738, 3844, 3864, 3906, 4094, 4278, 4347, 4361, 4508, 4557, 4806, 4968, 4984, 4991, 5208, 5292, 5518, 5607, 5704, 5766, 5796, 5859, 6076, 6141, 6408, 6417, 6696, 6727, 6762, 7476, 7688, 7812, 8188, 8277, 8556, 8649, 8694, 8722, 9016, 9114, 9612, 9982, 10143, 10584, 11036, 11214, 11532, 11592, 11718, 12152, 12282, 12834, 13083, 13454, 13524, 13671, 14329, 14952, 14973, 15624, 16376, 16554, 16821, 17112, 17298, 17388, 17444, 18228, 18423, 19224, 19251, 19313, 19964, 20181, 20286, 22072, 22103, 22428, 23064, 23436, 24564, 24831, 25668, 25947, 26166, 26908, 27048, 27342, 28658, 29946, 30429, 33108, 33642, 34596, 34776, 34888, 34937, 36456, 36846, 38502, 38626, 39249, 39928, 40362, 40572, 41013, 42987, 44206, 44856, 44919, 46872, 47089, 49128, 49662, 51336, 51894, 52332, 53816, 54684, 55269, 57316, 57939, 59892, 60543, 60858, 63457, 66216, 66309, 67284, 69192, 69874, 73692, 74493, 77004, 77252, 78498, 80724, 81144, 82026, 85529, 85974, 88412, 89838, 94178, 99324, 100303, 103788, 104664, 104811, 109368, 110538, 114632, 115878, 117747, 119784, 121086, 121716, 126914, 128961, 132618, 134568, 134757, 135191, 139748, 141267, 147384, 148986, 154008, 154504, 154721, 156996, 161448, 164052, 171058, 171948, 173817, 176824, 179676, 181629, 188356, 190371, 198648, 198927, 200606, 207576, 209622, 221076, 231756, 235494, 242172, 243432, 253828, 256587, 257922, 265236, 269514, 270382, 279496, 282534, 297972, 300909, 309442, 313992, 314433, 328104, 342116, 343896, 347634, 359352, 363258, 376712, 380742, 386883, 397854, 401212, 405573, 419244, 423801, 442152, 444199, 463512, 464163, 470988, 484344, 507656, 513174, 515844, 521451, 530472, 539028, 540764, 565068, 571113, 595944, 596781, 598703, 601818, 618884, 628866, 684232, 695268, 726516, 761484, 769761, 773766, 795708, 802424, 811146, 838488, 847602, 888398, 902727, 928326, 941976, 943299, 1026348, 1031688, 1042902, 1078056, 1081528, 1083047, 1130136, 1142226, 1193562, 1197406, 1203636, 1216719, 1237768, 1257732, 1271403, 1332597, 1390536, 1392489, 1453032, 1522968, 1539522, 1547532, 1591416, 1622292, 1695204, 1713339, 1776796, 1796109, 1805454, 1856652, 1886598, 1967167, 2052696, 2085804, 2166094, 2284452, 2309283, 2387124, 2394812, 2407272, 2433438, 2515464, 2542806, 2665194, 2708181, 2784978, 3079044, 3095064, 3109393, 3244584, 3249141, 3390408, 3426678, 3553592, 3592218, 3610908, 3650157, 3713304, 3773196, 3934334, 3997791, 4171608, 4177467, 4190921, 4332188, 4568904, 4618566, 4774248, 4789624, 4866876, 5085612, 5330388, 5388327, 5416362, 5569956, 5901501, 6158088, 6218786, 6498282, 6853356, 7184436, 7221816, 7300314, 7546392, 7868668, 7995582, 8354934, 8381842, 8664376, 9237132, 9328179, 9733752, 9747423, 10171224, 10660776, 10776654, 10832724, 11139912, 11803002, 11993373, 12437572, 12572763, 12996564, 13706712, 13770169, 14368872, 14600628, 15737336, 15991164, 16164981, 16709868, 16763684, 17704503, 18474264, 18656358, 19494846, 21553308, 21665448, 23606004, 23986746, 24875144, 25145526, 25993128, 27540338, 27984537, 29201256, 29242269, 31982328, 32329962, 33419736, 33527368, 35409006, 37312716, 37718289, 38989692, 41310507, 43106616, 47212008, 47973492, 50291052, 53113509, 55080676, 55969074, 58484538, 64659924, 70818012, 74625432, 75436578, 77979384, 82621014, 83953611, 95946984, 96391183, 100582104, 106227018, 110161352, 111938148, 113154867, 116969076, 123931521, 129319848, 141636024, 150873156, 165242028, 167907222, 192782366, 212454036, 223876296, 226309734, 233938152, 247863042, 289173549, 301746312, 330484056, 335814444, 371794563, 385564732, 424908072, 452619468, 495726084, 578347098, 671628888, 743589126, 771129464, 867520647, 905238936, 991452168, 1156694196, 1487178252, 1735041294, 2313388392, 2602561941, 2974356504, 3470082588, 5205123882, 6940165176, 10410247764, 20820495528]

約数ペア:

[(1, 20820495528), (2, 10410247764), (3, 6940165176), (4, 5205123882), (6, 3470082588), (7, 2974356504), (8, 2602561941), (9, 2313388392), (12, 1735041294), (14, 1487178252), (18, 1156694196), (21, 991452168), (23, 905238936), (24, 867520647), (27, 771129464), (28, 743589126), (31, 671628888), (36, 578347098), (42, 495726084), (46, 452619468), (49, 424908072), (54, 385564732), (56, 371794563), (62, 335814444), (63, 330484056), (69, 301746312), (72, 289173549), (84, 247863042), (89, 233938152), (92, 226309734), (93, 223876296), (98, 212454036), (108, 192782366), (124, 167907222), (126, 165242028), (138, 150873156), (147, 141636024), (161, 129319848), (168, 123931521), (178, 116969076), (184, 113154867), (186, 111938148), (189, 110161352), (196, 106227018), (207, 100582104), (216, 96391183), (217, 95946984), (248, 83953611), (252, 82621014), (267, 77979384), (276, 75436578), (279, 74625432), (294, 70818012), (322, 64659924), (356, 58484538), (372, 55969074), (378, 55080676), (392, 53113509), (414, 50291052), (434, 47973492), (441, 47212008), (483, 43106616), (504, 41310507), (534, 38989692), (552, 37718289), (558, 37312716), (588, 35409006), (621, 33527368), (623, 33419736), (644, 32329962), (651, 31982328), (712, 29242269), (713, 29201256), (744, 27984537), (756, 27540338), (801, 25993128), (828, 25145526), (837, 24875144), (868, 23986746), (882, 23606004), (961, 21665448), (966, 21553308), (1068, 19494846), (1116, 18656358), (1127, 18474264), (1176, 17704503), (1242, 16763684), (1246, 16709868), (1288, 16164981), (1302, 15991164), (1323, 15737336), (1426, 14600628), (1449, 14368872), (1512, 13770169), (1519, 13706712), (1602, 12996564), (1656, 12572763), (1674, 12437572), (1736, 11993373), (1764, 11803002), (1869, 11139912), (1922, 10832724), (1932, 10776654), (1953, 10660776), (2047, 10171224), (2136, 9747423), (2139, 9733752), (2232, 9328179), (2254, 9237132), (2403, 8664376), (2484, 8381842), (2492, 8354934), (2604, 7995582), (2646, 7868668), (2759, 7546392), (2852, 7300314), (2883, 7221816), (2898, 7184436), (3038, 6853356), (3204, 6498282), (3348, 6218786), (3381, 6158088), (3528, 5901501), (3738, 5569956), (3844, 5416362), (3864, 5388327), (3906, 5330388), (4094, 5085612), (4278, 4866876), (4347, 4789624), (4361, 4774248), (4508, 4618566), (4557, 4568904), (4806, 4332188), (4968, 4190921), (4984, 4177467), (4991, 4171608), (5208, 3997791), (5292, 3934334), (5518, 3773196), (5607, 3713304), (5704, 3650157), (5766, 3610908), (5796, 3592218), (5859, 3553592), (6076, 3426678), (6141, 3390408), (6408, 3249141), (6417, 3244584), (6696, 3109393), (6727, 3095064), (6762, 3079044), (7476, 2784978), (7688, 2708181), (7812, 2665194), (8188, 2542806), (8277, 2515464), (8556, 2433438), (8649, 2407272), (8694, 2394812), (8722, 2387124), (9016, 2309283), (9114, 2284452), (9612, 2166094), (9982, 2085804), (10143, 2052696), (10584, 1967167), (11036, 1886598), (11214, 1856652), (11532, 1805454), (11592, 1796109), (11718, 1776796), (12152, 1713339), (12282, 1695204), (12834, 1622292), (13083, 1591416), (13454, 1547532), (13524, 1539522), (13671, 1522968), (14329, 1453032), (14952, 1392489), (14973, 1390536), (15624, 1332597), (16376, 1271403), (16554, 1257732), (16821, 1237768), (17112, 1216719), (17298, 1203636), (17388, 1197406), (17444, 1193562), (18228, 1142226), (18423, 1130136), (19224, 1083047), (19251, 1081528), (19313, 1078056), (19964, 1042902), (20181, 1031688), (20286, 1026348), (22072, 943299), (22103, 941976), (22428, 928326), (23064, 902727), (23436, 888398), (24564, 847602), (24831, 838488), (25668, 811146), (25947, 802424), (26166, 795708), (26908, 773766), (27048, 769761), (27342, 761484), (28658, 726516), (29946, 695268), (30429, 684232), (33108, 628866), (33642, 618884), (34596, 601818), (34776, 598703), (34888, 596781), (34937, 595944), (36456, 571113), (36846, 565068), (38502, 540764), (38626, 539028), (39249, 530472), (39928, 521451), (40362, 515844), (40572, 513174), (41013, 507656), (42987, 484344), (44206, 470988), (44856, 464163), (44919, 463512), (46872, 444199), (47089, 442152), (49128, 423801), (49662, 419244), (51336, 405573), (51894, 401212), (52332, 397854), (53816, 386883), (54684, 380742), (55269, 376712), (57316, 363258), (57939, 359352), (59892, 347634), (60543, 343896), (60858, 342116), (63457, 328104), (66216, 314433), (66309, 313992), (67284, 309442), (69192, 300909), (69874, 297972), (73692, 282534), (74493, 279496), (77004, 270382), (77252, 269514), (78498, 265236), (80724, 257922), (81144, 256587), (82026, 253828), (85529, 243432), (85974, 242172), (88412, 235494), (89838, 231756), (94178, 221076), (99324, 209622), (100303, 207576), (103788, 200606), (104664, 198927), (104811, 198648), (109368, 190371), (110538, 188356), (114632, 181629), (115878, 179676), (117747, 176824), (119784, 173817), (121086, 171948), (121716, 171058), (126914, 164052), (128961, 161448), (132618, 156996), (134568, 154721), (134757, 154504), (135191, 154008), (139748, 148986), (141267, 147384)]