20404659968

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 432

約数和(自身を含む): 55979763840

約数和(自身を除く): 35575103872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 43, 44, 49, 56, 64, 76, 77, 86, 88, 98, 112, 128, 133, 152, 154, 172, 176, 181, 196, 209, 224, 256, 266, 301, 304, 308, 344, 352, 362, 392, 418, 448, 473, 532, 539, 602, 608, 616, 688, 704, 724, 784, 817, 836, 896, 931, 946, 1064, 1078, 1204, 1216, 1232, 1267, 1376, 1408, 1448, 1463, 1568, 1634, 1672, 1792, 1862, 1892, 1991, 2107, 2128, 2156, 2408, 2432, 2464, 2534, 2752, 2816, 2896, 2926, 3136, 3268, 3311, 3344, 3439, 3724, 3784, 3982, 4214, 4256, 4312, 4816, 4864, 4928, 5068, 5504, 5719, 5792, 5852, 6272, 6536, 6622, 6688, 6878, 7448, 7568, 7783, 7964, 8428, 8512, 8624, 8869, 8987, 9632, 9856, 10136, 10241, 11008, 11438, 11584, 11704, 12544, 13072, 13244, 13376, 13756, 13937, 14896, 15136, 15566, 15928, 16856, 17024, 17248, 17738, 17974, 19264, 19712, 20272, 20482, 22876, 23168, 23177, 23408, 24073, 26144, 26488, 26752, 27512, 27874, 29792, 30272, 31132, 31856, 33712, 34048, 34496, 35476, 35948, 37829, 38528, 40033, 40544, 40964, 45752, 46336, 46354, 46816, 48146, 52288, 52976, 53504, 54481, 55024, 55748, 59584, 60544, 62264, 62909, 63712, 67424, 68992, 70952, 71896, 75658, 77056, 80066, 81088, 81928, 85613, 91504, 92708, 93632, 96292, 97559, 104576, 105952, 108962, 110048, 111496, 119168, 121088, 124528, 125818, 127424, 134848, 137984, 141904, 143792, 147877, 151316, 160132, 162176, 163856, 168511, 171226, 183008, 185416, 187264, 192584, 195118, 209152, 211904, 217924, 220096, 222992, 238336, 249056, 251636, 254848, 264803, 269696, 283808, 287584, 295754, 302632, 320264, 324352, 327712, 337022, 342452, 366016, 370832, 374528, 381367, 385168, 390236, 423808, 435848, 440192, 440363, 445984, 498112, 503272, 509696, 529606, 539392, 567616, 575168, 591508, 599291, 605264, 640528, 655424, 674044, 684904, 732032, 741664, 762734, 770336, 780472, 847616, 871696, 880384, 880726, 891968, 996224, 1006544, 1035139, 1059212, 1135232, 1150336, 1183016, 1198582, 1210528, 1281056, 1310848, 1348088, 1369808, 1464064, 1483328, 1525468, 1540672, 1560944, 1626647, 1743392, 1761452, 1783936, 1853621, 1992448, 2013088, 2070278, 2118424, 2270464, 2300672, 2366032, 2397164, 2421056, 2562112, 2621696, 2696176, 2739616, 2966656, 3050936, 3081344, 3121888, 3253294, 3486784, 3522904, 3567872, 3707242, 4026176, 4140556, 4195037, 4236848, 4732064, 4794328, 4842112, 5124224, 5392352, 5479232, 5933312, 6101872, 6162688, 6243776, 6506588, 6973568, 7045808, 7245973, 7414484, 8052352, 8281112, 8390074, 8473696, 9464128, 9588656, 9684224, 10248448, 10784704, 10958464, 11386529, 12203744, 12487552, 13013176, 13947136, 14091616, 14491946, 14828968, 16104704, 16562224, 16780148, 16947392, 18928256, 19177312, 21569408, 21916928, 22773058, 24407488, 24975104, 26026352, 28183232, 28983892, 29657936, 33124448, 33560296, 33894784, 37856512, 38354624, 43138816, 45546116, 48814976, 52052704, 56366464, 57967784, 59315872, 66248896, 67120592, 67789568, 76709248, 79705703, 91092232, 97629952, 104105408, 112732928, 115935568, 118631744, 132497792, 134241184, 153418496, 159411406, 182184464, 208210816, 231871136, 237263488, 264995584, 268482368, 318822812, 364368928, 416421632, 463742272, 474526976, 536964736, 637645624, 728737856, 927484544, 1073929472, 1275291248, 1457475712, 1854969088, 2550582496, 2914951424, 5101164992, 10202329984, 20404659968]

約数ペア:

[(1, 20404659968), (2, 10202329984), (4, 5101164992), (7, 2914951424), (8, 2550582496), (11, 1854969088), (14, 1457475712), (16, 1275291248), (19, 1073929472), (22, 927484544), (28, 728737856), (32, 637645624), (38, 536964736), (43, 474526976), (44, 463742272), (49, 416421632), (56, 364368928), (64, 318822812), (76, 268482368), (77, 264995584), (86, 237263488), (88, 231871136), (98, 208210816), (112, 182184464), (128, 159411406), (133, 153418496), (152, 134241184), (154, 132497792), (172, 118631744), (176, 115935568), (181, 112732928), (196, 104105408), (209, 97629952), (224, 91092232), (256, 79705703), (266, 76709248), (301, 67789568), (304, 67120592), (308, 66248896), (344, 59315872), (352, 57967784), (362, 56366464), (392, 52052704), (418, 48814976), (448, 45546116), (473, 43138816), (532, 38354624), (539, 37856512), (602, 33894784), (608, 33560296), (616, 33124448), (688, 29657936), (704, 28983892), (724, 28183232), (784, 26026352), (817, 24975104), (836, 24407488), (896, 22773058), (931, 21916928), (946, 21569408), (1064, 19177312), (1078, 18928256), (1204, 16947392), (1216, 16780148), (1232, 16562224), (1267, 16104704), (1376, 14828968), (1408, 14491946), (1448, 14091616), (1463, 13947136), (1568, 13013176), (1634, 12487552), (1672, 12203744), (1792, 11386529), (1862, 10958464), (1892, 10784704), (1991, 10248448), (2107, 9684224), (2128, 9588656), (2156, 9464128), (2408, 8473696), (2432, 8390074), (2464, 8281112), (2534, 8052352), (2752, 7414484), (2816, 7245973), (2896, 7045808), (2926, 6973568), (3136, 6506588), (3268, 6243776), (3311, 6162688), (3344, 6101872), (3439, 5933312), (3724, 5479232), (3784, 5392352), (3982, 5124224), (4214, 4842112), (4256, 4794328), (4312, 4732064), (4816, 4236848), (4864, 4195037), (4928, 4140556), (5068, 4026176), (5504, 3707242), (5719, 3567872), (5792, 3522904), (5852, 3486784), (6272, 3253294), (6536, 3121888), (6622, 3081344), (6688, 3050936), (6878, 2966656), (7448, 2739616), (7568, 2696176), (7783, 2621696), (7964, 2562112), (8428, 2421056), (8512, 2397164), (8624, 2366032), (8869, 2300672), (8987, 2270464), (9632, 2118424), (9856, 2070278), (10136, 2013088), (10241, 1992448), (11008, 1853621), (11438, 1783936), (11584, 1761452), (11704, 1743392), (12544, 1626647), (13072, 1560944), (13244, 1540672), (13376, 1525468), (13756, 1483328), (13937, 1464064), (14896, 1369808), (15136, 1348088), (15566, 1310848), (15928, 1281056), (16856, 1210528), (17024, 1198582), (17248, 1183016), (17738, 1150336), (17974, 1135232), (19264, 1059212), (19712, 1035139), (20272, 1006544), (20482, 996224), (22876, 891968), (23168, 880726), (23177, 880384), (23408, 871696), (24073, 847616), (26144, 780472), (26488, 770336), (26752, 762734), (27512, 741664), (27874, 732032), (29792, 684904), (30272, 674044), (31132, 655424), (31856, 640528), (33712, 605264), (34048, 599291), (34496, 591508), (35476, 575168), (35948, 567616), (37829, 539392), (38528, 529606), (40033, 509696), (40544, 503272), (40964, 498112), (45752, 445984), (46336, 440363), (46354, 440192), (46816, 435848), (48146, 423808), (52288, 390236), (52976, 385168), (53504, 381367), (54481, 374528), (55024, 370832), (55748, 366016), (59584, 342452), (60544, 337022), (62264, 327712), (62909, 324352), (63712, 320264), (67424, 302632), (68992, 295754), (70952, 287584), (71896, 283808), (75658, 269696), (77056, 264803), (80066, 254848), (81088, 251636), (81928, 249056), (85613, 238336), (91504, 222992), (92708, 220096), (93632, 217924), (96292, 211904), (97559, 209152), (104576, 195118), (105952, 192584), (108962, 187264), (110048, 185416), (111496, 183008), (119168, 171226), (121088, 168511), (124528, 163856), (125818, 162176), (127424, 160132), (134848, 151316), (137984, 147877), (141904, 143792)]