20015830016

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:138

約数の個数: 352

約数和(自身を含む): 52382238720

約数和(自身を除く): 32366408704

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 41, 52, 56, 62, 64, 82, 91, 104, 112, 124, 128, 164, 169, 182, 208, 217, 224, 248, 256, 287, 328, 338, 364, 403, 416, 434, 448, 496, 512, 533, 574, 656, 676, 728, 806, 832, 868, 896, 992, 1024, 1066, 1148, 1183, 1271, 1312, 1352, 1456, 1612, 1664, 1736, 1792, 1984, 2132, 2197, 2296, 2366, 2542, 2624, 2704, 2821, 2912, 3224, 3328, 3472, 3584, 3731, 3968, 4264, 4394, 4592, 4732, 5084, 5239, 5248, 5408, 5642, 5824, 6448, 6656, 6929, 6944, 7168, 7462, 7936, 8528, 8788, 8897, 9184, 9464, 10168, 10478, 10496, 10816, 11284, 11648, 12896, 13312, 13858, 13888, 14924, 15379, 15872, 16523, 17056, 17576, 17794, 18368, 18928, 20336, 20956, 20992, 21632, 22568, 23296, 25792, 27716, 27776, 29848, 30758, 31744, 33046, 34112, 35152, 35588, 36673, 36736, 37856, 40672, 41912, 41984, 43264, 45136, 46592, 48503, 51584, 55432, 55552, 59696, 61516, 66092, 68107, 68224, 70304, 71176, 73346, 73472, 75712, 81344, 83824, 86528, 90077, 90272, 93184, 97006, 103168, 110864, 111104, 115661, 119392, 123032, 132184, 136214, 136448, 140608, 142352, 146692, 146944, 151424, 162688, 167648, 173056, 180154, 180544, 194012, 206336, 214799, 221728, 222208, 231322, 238784, 246064, 264368, 272428, 272896, 281216, 284704, 293384, 293888, 302848, 325376, 335296, 360308, 361088, 388024, 412672, 429598, 443456, 462644, 476749, 477568, 492128, 528736, 544856, 545792, 562432, 569408, 586768, 605696, 630539, 650752, 670592, 720616, 722176, 776048, 859196, 886912, 925288, 953498, 955136, 984256, 1057472, 1089712, 1124864, 1138816, 1173536, 1211392, 1261078, 1301504, 1341184, 1441232, 1444352, 1503593, 1552096, 1718392, 1773824, 1850576, 1906996, 1910272, 1968512, 2114944, 2179424, 2249728, 2277632, 2347072, 2522156, 2682368, 2792387, 2882464, 2888704, 3007186, 3104192, 3436784, 3547648, 3701152, 3813992, 3820544, 3937024, 4229888, 4358848, 4555264, 4694144, 5044312, 5364736, 5584774, 5764928, 6014372, 6208384, 6873568, 7095296, 7402304, 7627984, 7874048, 8459776, 8717696, 9110528, 9388288, 10088624, 11169548, 11529856, 12028744, 12416768, 13747136, 14804608, 15255968, 15748096, 16919552, 17435392, 18776576, 19546709, 20177248, 22339096, 23059712, 24057488, 24833536, 27494272, 29609216, 30511936, 34870784, 37553152, 39093418, 40354496, 44678192, 46119424, 48114976, 49667072, 54988544, 59218432, 61023872, 69741568, 78186836, 80708992, 89356384, 92238848, 96229952, 109977088, 118436864, 122047744, 156373672, 161417984, 178712768, 192459904, 219954176, 244095488, 312747344, 322835968, 357425536, 384919808, 488190976, 625494688, 645671936, 714851072, 769839616, 1250989376, 1429702144, 1539679232, 2501978752, 2859404288, 5003957504, 10007915008, 20015830016]

約数ペア:

[(1, 20015830016), (2, 10007915008), (4, 5003957504), (7, 2859404288), (8, 2501978752), (13, 1539679232), (14, 1429702144), (16, 1250989376), (26, 769839616), (28, 714851072), (31, 645671936), (32, 625494688), (41, 488190976), (52, 384919808), (56, 357425536), (62, 322835968), (64, 312747344), (82, 244095488), (91, 219954176), (104, 192459904), (112, 178712768), (124, 161417984), (128, 156373672), (164, 122047744), (169, 118436864), (182, 109977088), (208, 96229952), (217, 92238848), (224, 89356384), (248, 80708992), (256, 78186836), (287, 69741568), (328, 61023872), (338, 59218432), (364, 54988544), (403, 49667072), (416, 48114976), (434, 46119424), (448, 44678192), (496, 40354496), (512, 39093418), (533, 37553152), (574, 34870784), (656, 30511936), (676, 29609216), (728, 27494272), (806, 24833536), (832, 24057488), (868, 23059712), (896, 22339096), (992, 20177248), (1024, 19546709), (1066, 18776576), (1148, 17435392), (1183, 16919552), (1271, 15748096), (1312, 15255968), (1352, 14804608), (1456, 13747136), (1612, 12416768), (1664, 12028744), (1736, 11529856), (1792, 11169548), (1984, 10088624), (2132, 9388288), (2197, 9110528), (2296, 8717696), (2366, 8459776), (2542, 7874048), (2624, 7627984), (2704, 7402304), (2821, 7095296), (2912, 6873568), (3224, 6208384), (3328, 6014372), (3472, 5764928), (3584, 5584774), (3731, 5364736), (3968, 5044312), (4264, 4694144), (4394, 4555264), (4592, 4358848), (4732, 4229888), (5084, 3937024), (5239, 3820544), (5248, 3813992), (5408, 3701152), (5642, 3547648), (5824, 3436784), (6448, 3104192), (6656, 3007186), (6929, 2888704), (6944, 2882464), (7168, 2792387), (7462, 2682368), (7936, 2522156), (8528, 2347072), (8788, 2277632), (8897, 2249728), (9184, 2179424), (9464, 2114944), (10168, 1968512), (10478, 1910272), (10496, 1906996), (10816, 1850576), (11284, 1773824), (11648, 1718392), (12896, 1552096), (13312, 1503593), (13858, 1444352), (13888, 1441232), (14924, 1341184), (15379, 1301504), (15872, 1261078), (16523, 1211392), (17056, 1173536), (17576, 1138816), (17794, 1124864), (18368, 1089712), (18928, 1057472), (20336, 984256), (20956, 955136), (20992, 953498), (21632, 925288), (22568, 886912), (23296, 859196), (25792, 776048), (27716, 722176), (27776, 720616), (29848, 670592), (30758, 650752), (31744, 630539), (33046, 605696), (34112, 586768), (35152, 569408), (35588, 562432), (36673, 545792), (36736, 544856), (37856, 528736), (40672, 492128), (41912, 477568), (41984, 476749), (43264, 462644), (45136, 443456), (46592, 429598), (48503, 412672), (51584, 388024), (55432, 361088), (55552, 360308), (59696, 335296), (61516, 325376), (66092, 302848), (68107, 293888), (68224, 293384), (70304, 284704), (71176, 281216), (73346, 272896), (73472, 272428), (75712, 264368), (81344, 246064), (83824, 238784), (86528, 231322), (90077, 222208), (90272, 221728), (93184, 214799), (97006, 206336), (103168, 194012), (110864, 180544), (111104, 180154), (115661, 173056), (119392, 167648), (123032, 162688), (132184, 151424), (136214, 146944), (136448, 146692), (140608, 142352)]