20813103584

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 288

約数和(自身を含む): 53036254656

約数和(自身を除く): 32223151072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 71, 73, 91, 98, 104, 112, 142, 146, 182, 196, 197, 208, 224, 284, 292, 364, 392, 394, 416, 497, 511, 568, 584, 637, 728, 784, 788, 923, 949, 994, 1022, 1136, 1168, 1274, 1379, 1456, 1568, 1576, 1846, 1898, 1988, 2044, 2272, 2336, 2548, 2561, 2758, 2912, 3152, 3479, 3577, 3692, 3796, 3976, 4088, 5096, 5122, 5183, 5516, 6304, 6461, 6643, 6958, 7154, 7384, 7592, 7952, 8176, 9653, 10192, 10244, 10366, 11032, 12922, 13286, 13916, 13987, 14308, 14381, 14768, 15184, 15904, 16352, 17927, 19306, 20384, 20488, 20732, 22064, 25844, 26572, 27832, 27974, 28616, 28762, 29536, 30368, 35854, 36281, 38612, 40976, 41464, 44128, 45227, 46501, 51688, 53144, 55664, 55948, 57232, 57524, 67379, 71708, 72562, 77224, 81952, 82928, 90454, 93002, 97909, 100667, 103376, 106288, 111328, 111896, 114464, 115048, 125489, 134758, 143416, 145124, 154448, 165856, 180908, 181831, 186004, 186953, 195818, 201334, 206752, 212576, 223792, 230096, 250978, 253967, 269516, 286832, 290248, 308896, 361816, 363662, 372008, 373906, 391636, 402668, 447584, 460192, 471653, 501956, 507934, 539032, 573664, 580496, 685363, 704669, 723632, 727324, 744016, 747812, 783272, 805336, 943306, 1003912, 1015868, 1021051, 1078064, 1160992, 1272817, 1308671, 1370726, 1409338, 1447264, 1454648, 1488032, 1495624, 1566544, 1610672, 1886612, 2007824, 2031736, 2042102, 2156128, 2545634, 2617342, 2741452, 2818676, 2909296, 2991248, 3133088, 3221344, 3301571, 3773224, 4015648, 4063472, 4084204, 5091268, 5234684, 5482904, 5637352, 5818592, 5982496, 6603142, 7147357, 7546448, 8126944, 8168408, 8909719, 9160697, 10182536, 10469368, 10965808, 11274704, 13206284, 13273663, 14294714, 15092896, 16336816, 17819438, 18321394, 20365072, 20938736, 21931616, 22549408, 26412568, 26547326, 28589428, 32673632, 35638876, 36642788, 40730144, 41877472, 50031499, 52825136, 53094652, 57178856, 71277752, 73285576, 92915641, 100062998, 105650272, 106189304, 114357712, 142555504, 146571152, 185831282, 200125996, 212378608, 228715424, 285111008, 293142304, 371662564, 400251992, 424757216, 650409487, 743325128, 800503984, 1300818974, 1486650256, 1601007968, 2601637948, 2973300512, 5203275896, 10406551792, 20813103584]

約数ペア:

[(1, 20813103584), (2, 10406551792), (4, 5203275896), (7, 2973300512), (8, 2601637948), (13, 1601007968), (14, 1486650256), (16, 1300818974), (26, 800503984), (28, 743325128), (32, 650409487), (49, 424757216), (52, 400251992), (56, 371662564), (71, 293142304), (73, 285111008), (91, 228715424), (98, 212378608), (104, 200125996), (112, 185831282), (142, 146571152), (146, 142555504), (182, 114357712), (196, 106189304), (197, 105650272), (208, 100062998), (224, 92915641), (284, 73285576), (292, 71277752), (364, 57178856), (392, 53094652), (394, 52825136), (416, 50031499), (497, 41877472), (511, 40730144), (568, 36642788), (584, 35638876), (637, 32673632), (728, 28589428), (784, 26547326), (788, 26412568), (923, 22549408), (949, 21931616), (994, 20938736), (1022, 20365072), (1136, 18321394), (1168, 17819438), (1274, 16336816), (1379, 15092896), (1456, 14294714), (1568, 13273663), (1576, 13206284), (1846, 11274704), (1898, 10965808), (1988, 10469368), (2044, 10182536), (2272, 9160697), (2336, 8909719), (2548, 8168408), (2561, 8126944), (2758, 7546448), (2912, 7147357), (3152, 6603142), (3479, 5982496), (3577, 5818592), (3692, 5637352), (3796, 5482904), (3976, 5234684), (4088, 5091268), (5096, 4084204), (5122, 4063472), (5183, 4015648), (5516, 3773224), (6304, 3301571), (6461, 3221344), (6643, 3133088), (6958, 2991248), (7154, 2909296), (7384, 2818676), (7592, 2741452), (7952, 2617342), (8176, 2545634), (9653, 2156128), (10192, 2042102), (10244, 2031736), (10366, 2007824), (11032, 1886612), (12922, 1610672), (13286, 1566544), (13916, 1495624), (13987, 1488032), (14308, 1454648), (14381, 1447264), (14768, 1409338), (15184, 1370726), (15904, 1308671), (16352, 1272817), (17927, 1160992), (19306, 1078064), (20384, 1021051), (20488, 1015868), (20732, 1003912), (22064, 943306), (25844, 805336), (26572, 783272), (27832, 747812), (27974, 744016), (28616, 727324), (28762, 723632), (29536, 704669), (30368, 685363), (35854, 580496), (36281, 573664), (38612, 539032), (40976, 507934), (41464, 501956), (44128, 471653), (45227, 460192), (46501, 447584), (51688, 402668), (53144, 391636), (55664, 373906), (55948, 372008), (57232, 363662), (57524, 361816), (67379, 308896), (71708, 290248), (72562, 286832), (77224, 269516), (81952, 253967), (82928, 250978), (90454, 230096), (93002, 223792), (97909, 212576), (100667, 206752), (103376, 201334), (106288, 195818), (111328, 186953), (111896, 186004), (114464, 181831), (115048, 180908), (125489, 165856), (134758, 154448), (143416, 145124)]