20391388416

素因数分解:

$2^8\times 3^4\times 7^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 720

約数和(自身を含む): 73603622400

約数和(自身を除く): 53212233984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 47, 48, 49, 54, 56, 61, 63, 64, 72, 81, 84, 94, 96, 98, 108, 112, 122, 126, 128, 141, 144, 147, 162, 168, 183, 188, 189, 192, 196, 216, 224, 244, 252, 256, 282, 288, 294, 324, 329, 336, 343, 366, 376, 378, 384, 392, 423, 427, 432, 441, 448, 488, 504, 549, 564, 567, 576, 588, 648, 658, 672, 686, 732, 752, 756, 768, 784, 846, 854, 864, 882, 896, 976, 987, 1008, 1029, 1098, 1128, 1134, 1152, 1176, 1269, 1281, 1296, 1316, 1323, 1344, 1372, 1464, 1504, 1512, 1568, 1647, 1692, 1708, 1728, 1764, 1792, 1952, 1974, 2016, 2058, 2196, 2256, 2268, 2303, 2304, 2352, 2538, 2562, 2592, 2632, 2646, 2688, 2744, 2867, 2928, 2961, 2989, 3008, 3024, 3087, 3136, 3294, 3384, 3416, 3456, 3528, 3807, 3843, 3904, 3948, 3969, 4032, 4116, 4392, 4512, 4536, 4606, 4704, 4941, 5076, 5124, 5184, 5264, 5292, 5376, 5488, 5734, 5856, 5922, 5978, 6016, 6048, 6174, 6272, 6588, 6768, 6832, 6909, 6912, 7056, 7614, 7686, 7808, 7896, 7938, 8064, 8232, 8601, 8784, 8883, 8967, 9024, 9072, 9212, 9261, 9408, 9882, 10152, 10248, 10368, 10528, 10584, 10976, 11468, 11529, 11712, 11844, 11956, 12032, 12096, 12348, 12544, 13176, 13536, 13664, 13818, 14112, 15228, 15372, 15616, 15792, 15876, 16121, 16128, 16464, 17202, 17568, 17766, 17934, 18048, 18144, 18424, 18522, 18816, 19764, 20069, 20304, 20496, 20727, 20736, 20923, 21056, 21168, 21952, 22936, 23058, 23424, 23688, 23912, 24192, 24696, 25803, 26352, 26649, 26901, 27072, 27328, 27636, 27783, 28224, 30456, 30744, 31584, 31752, 32242, 32928, 34404, 34587, 35136, 35532, 35868, 36096, 36288, 36848, 37044, 37632, 39528, 40138, 40608, 40992, 41454, 41846, 42112, 42336, 43904, 45872, 46116, 46848, 47376, 47824, 48363, 48384, 49392, 51606, 52704, 53298, 53802, 54144, 54656, 55272, 55566, 56448, 60207, 60912, 61488, 62181, 62769, 63168, 63504, 64484, 65856, 68808, 69174, 70272, 71064, 71736, 72576, 73696, 74088, 77409, 79056, 80276, 80703, 81216, 81984, 82908, 83692, 84224, 84672, 87808, 91744, 92232, 94752, 95648, 96726, 98784, 103212, 105408, 106596, 107604, 108288, 109312, 110544, 111132, 112896, 120414, 121824, 122976, 124362, 125538, 126336, 127008, 128968, 131712, 137616, 138348, 140483, 140544, 142128, 143472, 145089, 145152, 147392, 148176, 154818, 158112, 160552, 161406, 162432, 163968, 165816, 167384, 169344, 180621, 183488, 184464, 186543, 188307, 189504, 191296, 193452, 197568, 206424, 210816, 213192, 215208, 221088, 222264, 232227, 240828, 242109, 243648, 245952, 248724, 251076, 252672, 254016, 257936, 263424, 275232, 276696, 280966, 284256, 286944, 290178, 294784, 296352, 309636, 316224, 321104, 322812, 324864, 327936, 331632, 334768, 338688, 361242, 366976, 368928, 373086, 376614, 379008, 382592, 386904, 395136, 412848, 421449, 421632, 426384, 430416, 435267, 442176, 444528, 464454, 481656, 484218, 487296, 491904, 497448, 502152, 508032, 515872, 541863, 550464, 553392, 561932, 564921, 568512, 573888, 580356, 589568, 592704, 619272, 632448, 642208, 645624, 663264, 669536, 722484, 733952, 737856, 746172, 753228, 758016, 765184, 773808, 790272, 825696, 842898, 852768, 860832, 870534, 884352, 889056, 928908, 963312, 968436, 974592, 983381, 983808, 994896, 1004304, 1016064, 1031744, 1083726, 1100928, 1106784, 1123864, 1129842, 1137024, 1147776, 1160712, 1185408, 1238544, 1264347, 1264896, 1284416, 1291248, 1305801, 1326528, 1339072, 1444968, 1475712, 1492344, 1506456, 1547616, 1625589, 1651392, 1685796, 1694763, 1705536, 1721664, 1741068, 1768704, 1778112, 1857816, 1926624, 1936872, 1966762, 1989792, 2008608, 2063488, 2167452, 2201856, 2213568, 2247728, 2259684, 2274048, 2295552, 2321424, 2370816, 2477088, 2528694, 2568832, 2582496, 2611602, 2653056, 2678144, 2889936, 2950143, 2951424, 2984688, 3012912, 3095232, 3251178, 3302784, 3371592, 3389526, 3411072, 3443328, 3482136, 3556224, 3715632, 3793041, 3853248, 3873744, 3933524, 3979584, 4017216, 4126976, 4334904, 4427136, 4495456, 4519368, 4642848, 4954176, 5057388, 5137664, 5164992, 5223204, 5306112, 5356288, 5779872, 5900286, 5969376, 6025824, 6190464, 6502356, 6605568, 6743184, 6779052, 6822144, 6886656, 6964272, 7112448, 7431264, 7586082, 7706496, 7747488, 7867048, 7959168, 8034432, 8669808, 8850429, 8854272, 8990912, 9038736, 9285696, 9908352, 10114776, 10329984, 10446408, 11379123, 11559744, 11800572, 11938752, 12051648, 12380928, 13004712, 13486368, 13558104, 13928544, 14862528, 15172164, 15412992, 15494976, 15734096, 15918336, 16068864, 17339616, 17700858, 17981824, 18077472, 18571392, 19816704, 20229552, 20659968, 20892816, 22758246, 23119488, 23601144, 23877504, 24103296, 26009424, 26551287, 26972736, 27116208, 27857088, 29725056, 30344328, 30989952, 31468192, 34679232, 35401716, 35963648, 36154944, 37142784, 40459104, 41785632, 45516492, 46238976, 47202288, 47755008, 48206592, 52018848, 53102574, 53945472, 54232416, 55714176, 59450112, 60688656, 61979904, 62936384, 69358464, 70803432, 72309888, 79653861, 80918208, 83571264, 91032984, 94404576, 104037696, 106205148, 107890944, 108464832, 111428352, 121377312, 125872768, 138716928, 141606864, 144619776, 159307722, 161836416, 167142528, 182065968, 188809152, 208075392, 212410296, 216929664, 242754624, 251745536, 283213728, 318615444, 323672832, 334285056, 364131936, 377618304, 416150784, 424820592, 433859328, 485509248, 566427456, 637230888, 728263872, 755236608, 849641184, 971018496, 1132854912, 1274461776, 1456527744, 1699282368, 2265709824, 2548923552, 2913055488, 3398564736, 5097847104, 6797129472, 10195694208, 20391388416]

約数ペア:

[(1, 20391388416), (2, 10195694208), (3, 6797129472), (4, 5097847104), (6, 3398564736), (7, 2913055488), (8, 2548923552), (9, 2265709824), (12, 1699282368), (14, 1456527744), (16, 1274461776), (18, 1132854912), (21, 971018496), (24, 849641184), (27, 755236608), (28, 728263872), (32, 637230888), (36, 566427456), (42, 485509248), (47, 433859328), (48, 424820592), (49, 416150784), (54, 377618304), (56, 364131936), (61, 334285056), (63, 323672832), (64, 318615444), (72, 283213728), (81, 251745536), (84, 242754624), (94, 216929664), (96, 212410296), (98, 208075392), (108, 188809152), (112, 182065968), (122, 167142528), (126, 161836416), (128, 159307722), (141, 144619776), (144, 141606864), (147, 138716928), (162, 125872768), (168, 121377312), (183, 111428352), (188, 108464832), (189, 107890944), (192, 106205148), (196, 104037696), (216, 94404576), (224, 91032984), (244, 83571264), (252, 80918208), (256, 79653861), (282, 72309888), (288, 70803432), (294, 69358464), (324, 62936384), (329, 61979904), (336, 60688656), (343, 59450112), (366, 55714176), (376, 54232416), (378, 53945472), (384, 53102574), (392, 52018848), (423, 48206592), (427, 47755008), (432, 47202288), (441, 46238976), (448, 45516492), (488, 41785632), (504, 40459104), (549, 37142784), (564, 36154944), (567, 35963648), (576, 35401716), (588, 34679232), (648, 31468192), (658, 30989952), (672, 30344328), (686, 29725056), (732, 27857088), (752, 27116208), (756, 26972736), (768, 26551287), (784, 26009424), (846, 24103296), (854, 23877504), (864, 23601144), (882, 23119488), (896, 22758246), (976, 20892816), (987, 20659968), (1008, 20229552), (1029, 19816704), (1098, 18571392), (1128, 18077472), (1134, 17981824), (1152, 17700858), (1176, 17339616), (1269, 16068864), (1281, 15918336), (1296, 15734096), (1316, 15494976), (1323, 15412992), (1344, 15172164), (1372, 14862528), (1464, 13928544), (1504, 13558104), (1512, 13486368), (1568, 13004712), (1647, 12380928), (1692, 12051648), (1708, 11938752), (1728, 11800572), (1764, 11559744), (1792, 11379123), (1952, 10446408), (1974, 10329984), (2016, 10114776), (2058, 9908352), (2196, 9285696), (2256, 9038736), (2268, 8990912), (2303, 8854272), (2304, 8850429), (2352, 8669808), (2538, 8034432), (2562, 7959168), (2592, 7867048), (2632, 7747488), (2646, 7706496), (2688, 7586082), (2744, 7431264), (2867, 7112448), (2928, 6964272), (2961, 6886656), (2989, 6822144), (3008, 6779052), (3024, 6743184), (3087, 6605568), (3136, 6502356), (3294, 6190464), (3384, 6025824), (3416, 5969376), (3456, 5900286), (3528, 5779872), (3807, 5356288), (3843, 5306112), (3904, 5223204), (3948, 5164992), (3969, 5137664), (4032, 5057388), (4116, 4954176), (4392, 4642848), (4512, 4519368), (4536, 4495456), (4606, 4427136), (4704, 4334904), (4941, 4126976), (5076, 4017216), (5124, 3979584), (5184, 3933524), (5264, 3873744), (5292, 3853248), (5376, 3793041), (5488, 3715632), (5734, 3556224), (5856, 3482136), (5922, 3443328), (5978, 3411072), (6016, 3389526), (6048, 3371592), (6174, 3302784), (6272, 3251178), (6588, 3095232), (6768, 3012912), (6832, 2984688), (6909, 2951424), (6912, 2950143), (7056, 2889936), (7614, 2678144), (7686, 2653056), (7808, 2611602), (7896, 2582496), (7938, 2568832), (8064, 2528694), (8232, 2477088), (8601, 2370816), (8784, 2321424), (8883, 2295552), (8967, 2274048), (9024, 2259684), (9072, 2247728), (9212, 2213568), (9261, 2201856), (9408, 2167452), (9882, 2063488), (10152, 2008608), (10248, 1989792), (10368, 1966762), (10528, 1936872), (10584, 1926624), (10976, 1857816), (11468, 1778112), (11529, 1768704), (11712, 1741068), (11844, 1721664), (11956, 1705536), (12032, 1694763), (12096, 1685796), (12348, 1651392), (12544, 1625589), (13176, 1547616), (13536, 1506456), (13664, 1492344), (13818, 1475712), (14112, 1444968), (15228, 1339072), (15372, 1326528), (15616, 1305801), (15792, 1291248), (15876, 1284416), (16121, 1264896), (16128, 1264347), (16464, 1238544), (17202, 1185408), (17568, 1160712), (17766, 1147776), (17934, 1137024), (18048, 1129842), (18144, 1123864), (18424, 1106784), (18522, 1100928), (18816, 1083726), (19764, 1031744), (20069, 1016064), (20304, 1004304), (20496, 994896), (20727, 983808), (20736, 983381), (20923, 974592), (21056, 968436), (21168, 963312), (21952, 928908), (22936, 889056), (23058, 884352), (23424, 870534), (23688, 860832), (23912, 852768), (24192, 842898), (24696, 825696), (25803, 790272), (26352, 773808), (26649, 765184), (26901, 758016), (27072, 753228), (27328, 746172), (27636, 737856), (27783, 733952), (28224, 722484), (30456, 669536), (30744, 663264), (31584, 645624), (31752, 642208), (32242, 632448), (32928, 619272), (34404, 592704), (34587, 589568), (35136, 580356), (35532, 573888), (35868, 568512), (36096, 564921), (36288, 561932), (36848, 553392), (37044, 550464), (37632, 541863), (39528, 515872), (40138, 508032), (40608, 502152), (40992, 497448), (41454, 491904), (41846, 487296), (42112, 484218), (42336, 481656), (43904, 464454), (45872, 444528), (46116, 442176), (46848, 435267), (47376, 430416), (47824, 426384), (48363, 421632), (48384, 421449), (49392, 412848), (51606, 395136), (52704, 386904), (53298, 382592), (53802, 379008), (54144, 376614), (54656, 373086), (55272, 368928), (55566, 366976), (56448, 361242), (60207, 338688), (60912, 334768), (61488, 331632), (62181, 327936), (62769, 324864), (63168, 322812), (63504, 321104), (64484, 316224), (65856, 309636), (68808, 296352), (69174, 294784), (70272, 290178), (71064, 286944), (71736, 284256), (72576, 280966), (73696, 276696), (74088, 275232), (77409, 263424), (79056, 257936), (80276, 254016), (80703, 252672), (81216, 251076), (81984, 248724), (82908, 245952), (83692, 243648), (84224, 242109), (84672, 240828), (87808, 232227), (91744, 222264), (92232, 221088), (94752, 215208), (95648, 213192), (96726, 210816), (98784, 206424), (103212, 197568), (105408, 193452), (106596, 191296), (107604, 189504), (108288, 188307), (109312, 186543), (110544, 184464), (111132, 183488), (112896, 180621), (120414, 169344), (121824, 167384), (122976, 165816), (124362, 163968), (125538, 162432), (126336, 161406), (127008, 160552), (128968, 158112), (131712, 154818), (137616, 148176), (138348, 147392), (140483, 145152), (140544, 145089), (142128, 143472)]