20690921808

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:734

約数の個数: 240

約数和(自身を含む): 61608628224

約数和(自身を除く): 40917706416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 103, 131, 138, 144, 184, 206, 207, 262, 276, 309, 368, 393, 412, 414, 463, 524, 552, 618, 786, 824, 828, 926, 927, 1048, 1104, 1179, 1236, 1389, 1572, 1648, 1656, 1852, 1854, 2096, 2358, 2369, 2472, 2778, 3013, 3144, 3312, 3704, 3708, 4167, 4716, 4738, 4944, 5556, 6026, 6288, 7107, 7408, 7416, 8334, 9039, 9432, 9476, 10649, 11112, 12052, 13493, 14214, 14832, 16668, 18078, 18864, 18952, 21298, 21321, 22224, 24104, 26986, 27117, 28428, 31947, 33336, 36156, 37904, 40479, 42596, 42642, 47689, 48208, 53972, 54234, 56856, 60653, 63894, 66672, 72312, 80958, 85192, 85284, 95378, 95841, 107944, 108468, 113712, 121306, 121437, 127788, 143067, 144624, 161916, 170384, 170568, 181959, 190756, 191682, 215888, 216936, 242612, 242874, 255576, 286134, 310339, 323832, 341136, 363918, 381512, 383364, 429201, 433872, 485224, 485748, 511152, 545877, 572268, 620678, 647664, 727836, 763024, 766728, 858402, 931017, 970448, 971496, 1091754, 1096847, 1144536, 1241356, 1395019, 1455672, 1533456, 1716804, 1862034, 1942992, 2183508, 2193694, 2289072, 2482712, 2790038, 2793051, 2911344, 3290541, 3433608, 3724068, 4185057, 4367016, 4387388, 4965424, 5580076, 5586102, 6247259, 6581082, 6867216, 7448136, 8370114, 8734032, 8774776, 9871623, 11160152, 11172204, 12494518, 12555171, 13162164, 14896272, 16740228, 17549552, 18741777, 19743246, 22320304, 22344408, 24989036, 25110342, 26324328, 33480456, 37483554, 39486492, 44688816, 49978072, 50220684, 52648656, 56225331, 66960912, 74967108, 78972984, 99956144, 100441368, 112450662, 143686957, 149934216, 157945968, 200882736, 224901324, 287373914, 299868432, 431060871, 449802648, 574747828, 862121742, 899605296, 1149495656, 1293182613, 1724243484, 2298991312, 2586365226, 3448486968, 5172730452, 6896973936, 10345460904, 20690921808]

約数ペア:

[(1, 20690921808), (2, 10345460904), (3, 6896973936), (4, 5172730452), (6, 3448486968), (8, 2586365226), (9, 2298991312), (12, 1724243484), (16, 1293182613), (18, 1149495656), (23, 899605296), (24, 862121742), (36, 574747828), (46, 449802648), (48, 431060871), (69, 299868432), (72, 287373914), (92, 224901324), (103, 200882736), (131, 157945968), (138, 149934216), (144, 143686957), (184, 112450662), (206, 100441368), (207, 99956144), (262, 78972984), (276, 74967108), (309, 66960912), (368, 56225331), (393, 52648656), (412, 50220684), (414, 49978072), (463, 44688816), (524, 39486492), (552, 37483554), (618, 33480456), (786, 26324328), (824, 25110342), (828, 24989036), (926, 22344408), (927, 22320304), (1048, 19743246), (1104, 18741777), (1179, 17549552), (1236, 16740228), (1389, 14896272), (1572, 13162164), (1648, 12555171), (1656, 12494518), (1852, 11172204), (1854, 11160152), (2096, 9871623), (2358, 8774776), (2369, 8734032), (2472, 8370114), (2778, 7448136), (3013, 6867216), (3144, 6581082), (3312, 6247259), (3704, 5586102), (3708, 5580076), (4167, 4965424), (4716, 4387388), (4738, 4367016), (4944, 4185057), (5556, 3724068), (6026, 3433608), (6288, 3290541), (7107, 2911344), (7408, 2793051), (7416, 2790038), (8334, 2482712), (9039, 2289072), (9432, 2193694), (9476, 2183508), (10649, 1942992), (11112, 1862034), (12052, 1716804), (13493, 1533456), (14214, 1455672), (14832, 1395019), (16668, 1241356), (18078, 1144536), (18864, 1096847), (18952, 1091754), (21298, 971496), (21321, 970448), (22224, 931017), (24104, 858402), (26986, 766728), (27117, 763024), (28428, 727836), (31947, 647664), (33336, 620678), (36156, 572268), (37904, 545877), (40479, 511152), (42596, 485748), (42642, 485224), (47689, 433872), (48208, 429201), (53972, 383364), (54234, 381512), (56856, 363918), (60653, 341136), (63894, 323832), (66672, 310339), (72312, 286134), (80958, 255576), (85192, 242874), (85284, 242612), (95378, 216936), (95841, 215888), (107944, 191682), (108468, 190756), (113712, 181959), (121306, 170568), (121437, 170384), (127788, 161916), (143067, 144624)]