20187548416

素因数分解:

$2^8\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:875

約数の個数: 216

約数和(自身を含む): 50067215856

約数和(自身を除く): 29879667440

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 137, 196, 224, 238, 256, 272, 274, 392, 448, 476, 544, 548, 691, 784, 833, 896, 952, 959, 1088, 1096, 1382, 1568, 1666, 1792, 1904, 1918, 2176, 2192, 2329, 2764, 3136, 3332, 3808, 3836, 4352, 4384, 4658, 4837, 5528, 6272, 6664, 6713, 7616, 7672, 8768, 9316, 9674, 11056, 11747, 12544, 13328, 13426, 15232, 15344, 16303, 17536, 18632, 19348, 22112, 23494, 26656, 26852, 30464, 30688, 32606, 33859, 35072, 37264, 38696, 44224, 46988, 53312, 53704, 61376, 65212, 67718, 74528, 77392, 82229, 88448, 93976, 94667, 106624, 107408, 114121, 122752, 130424, 135436, 149056, 154784, 164458, 176896, 187952, 189334, 213248, 214816, 228242, 245504, 260848, 270872, 298112, 309568, 328916, 375904, 378668, 429632, 456484, 521696, 541744, 575603, 596224, 619136, 657832, 662669, 751808, 757336, 859264, 912968, 1043392, 1083488, 1151206, 1238272, 1315664, 1325338, 1503616, 1514672, 1609339, 1718528, 1825936, 2086784, 2166976, 2302412, 2631328, 2650676, 3007232, 3029344, 3218678, 3651872, 4173568, 4333952, 4604824, 4638683, 5262656, 5301352, 6058688, 6437356, 7303744, 8667904, 9209648, 9277366, 10525312, 10602704, 11265373, 12117376, 12874712, 14607488, 18419296, 18554732, 21050624, 21205408, 22530746, 24234752, 25749424, 29214976, 36838592, 37109464, 42410816, 45061492, 51498848, 73677184, 74218928, 78857611, 84821632, 90122984, 102997696, 147354368, 148437856, 157715222, 169643264, 180245968, 205995392, 296875712, 315430444, 360491936, 411990784, 593751424, 630860888, 720983872, 1187502848, 1261721776, 1441967744, 2523443552, 2883935488, 5046887104, 10093774208, 20187548416]

約数ペア:

[(1, 20187548416), (2, 10093774208), (4, 5046887104), (7, 2883935488), (8, 2523443552), (14, 1441967744), (16, 1261721776), (17, 1187502848), (28, 720983872), (32, 630860888), (34, 593751424), (49, 411990784), (56, 360491936), (64, 315430444), (68, 296875712), (98, 205995392), (112, 180245968), (119, 169643264), (128, 157715222), (136, 148437856), (137, 147354368), (196, 102997696), (224, 90122984), (238, 84821632), (256, 78857611), (272, 74218928), (274, 73677184), (392, 51498848), (448, 45061492), (476, 42410816), (544, 37109464), (548, 36838592), (691, 29214976), (784, 25749424), (833, 24234752), (896, 22530746), (952, 21205408), (959, 21050624), (1088, 18554732), (1096, 18419296), (1382, 14607488), (1568, 12874712), (1666, 12117376), (1792, 11265373), (1904, 10602704), (1918, 10525312), (2176, 9277366), (2192, 9209648), (2329, 8667904), (2764, 7303744), (3136, 6437356), (3332, 6058688), (3808, 5301352), (3836, 5262656), (4352, 4638683), (4384, 4604824), (4658, 4333952), (4837, 4173568), (5528, 3651872), (6272, 3218678), (6664, 3029344), (6713, 3007232), (7616, 2650676), (7672, 2631328), (8768, 2302412), (9316, 2166976), (9674, 2086784), (11056, 1825936), (11747, 1718528), (12544, 1609339), (13328, 1514672), (13426, 1503616), (15232, 1325338), (15344, 1315664), (16303, 1238272), (17536, 1151206), (18632, 1083488), (19348, 1043392), (22112, 912968), (23494, 859264), (26656, 757336), (26852, 751808), (30464, 662669), (30688, 657832), (32606, 619136), (33859, 596224), (35072, 575603), (37264, 541744), (38696, 521696), (44224, 456484), (46988, 429632), (53312, 378668), (53704, 375904), (61376, 328916), (65212, 309568), (67718, 298112), (74528, 270872), (77392, 260848), (82229, 245504), (88448, 228242), (93976, 214816), (94667, 213248), (106624, 189334), (107408, 187952), (114121, 176896), (122752, 164458), (130424, 154784), (135436, 149056)]