20008977408

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7213}}^1$

素因数の和:7289

約数の個数: 264

約数和(自身を含む): 67574057408

約数和(自身を除く): 47565080000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 63, 64, 72, 84, 86, 96, 112, 126, 128, 129, 144, 168, 172, 192, 224, 252, 256, 258, 288, 301, 336, 344, 384, 387, 448, 504, 512, 516, 576, 602, 672, 688, 768, 774, 896, 903, 1008, 1024, 1032, 1152, 1204, 1344, 1376, 1536, 1548, 1792, 1806, 2016, 2064, 2304, 2408, 2688, 2709, 2752, 3072, 3096, 3584, 3612, 4032, 4128, 4608, 4816, 5376, 5418, 5504, 6192, 7168, 7213, 7224, 8064, 8256, 9216, 9632, 10752, 10836, 11008, 12384, 14426, 14448, 16128, 16512, 19264, 21504, 21639, 21672, 22016, 24768, 28852, 28896, 32256, 33024, 38528, 43278, 43344, 44032, 49536, 50491, 57704, 57792, 64512, 64917, 66048, 77056, 86556, 86688, 99072, 100982, 115408, 115584, 129834, 132096, 151473, 154112, 173112, 173376, 198144, 201964, 230816, 231168, 259668, 302946, 308224, 310159, 346224, 346752, 396288, 403928, 454419, 461632, 462336, 519336, 605892, 620318, 692448, 693504, 807856, 908838, 923264, 924672, 930477, 1038672, 1211784, 1240636, 1384896, 1387008, 1615712, 1817676, 1846528, 1860954, 2077344, 2171113, 2423568, 2481272, 2769792, 2774016, 2791431, 3231424, 3635352, 3693056, 3721908, 4154688, 4342226, 4847136, 4962544, 5539584, 5582862, 6462848, 6513339, 7270704, 7386112, 7443816, 8309376, 8684452, 9694272, 9925088, 11079168, 11165724, 12925696, 13026678, 14541408, 14887632, 16618752, 17368904, 19388544, 19540017, 19850176, 22158336, 22331448, 25851392, 26053356, 29082816, 29775264, 33237504, 34737808, 38777088, 39080034, 39700352, 44662896, 51702784, 52106712, 58165632, 59550528, 66475008, 69475616, 77554176, 78160068, 79400704, 89325792, 104213424, 116331264, 119101056, 138951232, 155108352, 156320136, 158801408, 178651584, 208426848, 232662528, 238202112, 277902464, 312640272, 317602816, 357303168, 416853696, 465325056, 476404224, 555804928, 625280544, 714606336, 833707392, 952808448, 1111609856, 1250561088, 1429212672, 1667414784, 2223219712, 2501122176, 2858425344, 3334829568, 5002244352, 6669659136, 10004488704, 20008977408]

約数ペア:

[(1, 20008977408), (2, 10004488704), (3, 6669659136), (4, 5002244352), (6, 3334829568), (7, 2858425344), (8, 2501122176), (9, 2223219712), (12, 1667414784), (14, 1429212672), (16, 1250561088), (18, 1111609856), (21, 952808448), (24, 833707392), (28, 714606336), (32, 625280544), (36, 555804928), (42, 476404224), (43, 465325056), (48, 416853696), (56, 357303168), (63, 317602816), (64, 312640272), (72, 277902464), (84, 238202112), (86, 232662528), (96, 208426848), (112, 178651584), (126, 158801408), (128, 156320136), (129, 155108352), (144, 138951232), (168, 119101056), (172, 116331264), (192, 104213424), (224, 89325792), (252, 79400704), (256, 78160068), (258, 77554176), (288, 69475616), (301, 66475008), (336, 59550528), (344, 58165632), (384, 52106712), (387, 51702784), (448, 44662896), (504, 39700352), (512, 39080034), (516, 38777088), (576, 34737808), (602, 33237504), (672, 29775264), (688, 29082816), (768, 26053356), (774, 25851392), (896, 22331448), (903, 22158336), (1008, 19850176), (1024, 19540017), (1032, 19388544), (1152, 17368904), (1204, 16618752), (1344, 14887632), (1376, 14541408), (1536, 13026678), (1548, 12925696), (1792, 11165724), (1806, 11079168), (2016, 9925088), (2064, 9694272), (2304, 8684452), (2408, 8309376), (2688, 7443816), (2709, 7386112), (2752, 7270704), (3072, 6513339), (3096, 6462848), (3584, 5582862), (3612, 5539584), (4032, 4962544), (4128, 4847136), (4608, 4342226), (4816, 4154688), (5376, 3721908), (5418, 3693056), (5504, 3635352), (6192, 3231424), (7168, 2791431), (7213, 2774016), (7224, 2769792), (8064, 2481272), (8256, 2423568), (9216, 2171113), (9632, 2077344), (10752, 1860954), (10836, 1846528), (11008, 1817676), (12384, 1615712), (14426, 1387008), (14448, 1384896), (16128, 1240636), (16512, 1211784), (19264, 1038672), (21504, 930477), (21639, 924672), (21672, 923264), (22016, 908838), (24768, 807856), (28852, 693504), (28896, 692448), (32256, 620318), (33024, 605892), (38528, 519336), (43278, 462336), (43344, 461632), (44032, 454419), (49536, 403928), (50491, 396288), (57704, 346752), (57792, 346224), (64512, 310159), (64917, 308224), (66048, 302946), (77056, 259668), (86556, 231168), (86688, 230816), (99072, 201964), (100982, 198144), (115408, 173376), (115584, 173112), (129834, 154112), (132096, 151473)]