20018761728

素因数分解:

$2^{12}\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1103}}^1$

素因数の和:1348

約数の個数: 208

約数和(自身を含む): 61346789376

約数和(自身を除く): 41328027648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 211, 224, 256, 336, 384, 422, 448, 512, 633, 672, 768, 844, 896, 1024, 1103, 1266, 1344, 1477, 1536, 1688, 1792, 2048, 2206, 2532, 2688, 2954, 3072, 3309, 3376, 3584, 4096, 4412, 4431, 5064, 5376, 5908, 6144, 6618, 6752, 7168, 7721, 8824, 8862, 10128, 10752, 11816, 12288, 13236, 13504, 14336, 15442, 17648, 17724, 20256, 21504, 23163, 23632, 26472, 27008, 28672, 30884, 35296, 35448, 40512, 43008, 46326, 47264, 52944, 54016, 61768, 70592, 70896, 81024, 86016, 92652, 94528, 105888, 108032, 123536, 141184, 141792, 162048, 185304, 189056, 211776, 216064, 232733, 247072, 282368, 283584, 324096, 370608, 378112, 423552, 432128, 465466, 494144, 564736, 567168, 648192, 698199, 741216, 756224, 847104, 864256, 930932, 988288, 1129472, 1134336, 1296384, 1396398, 1482432, 1512448, 1629131, 1694208, 1861864, 1976576, 2258944, 2268672, 2592768, 2792796, 2964864, 3024896, 3258262, 3388416, 3723728, 3953152, 4517888, 4537344, 4887393, 5585592, 5929728, 6049792, 6516524, 6776832, 7447456, 7906304, 9074688, 9774786, 11171184, 11859456, 13033048, 13553664, 14894912, 15812608, 18149376, 19549572, 22342368, 23718912, 26066096, 29789824, 31625216, 39099144, 44684736, 47437824, 52132192, 59579648, 78198288, 89369472, 94875648, 104264384, 119159296, 156396576, 178738944, 208528768, 238318592, 312793152, 357477888, 417057536, 476637184, 625586304, 714955776, 834115072, 953274368, 1251172608, 1429911552, 1668230144, 2502345216, 2859823104, 3336460288, 5004690432, 6672920576, 10009380864, 20018761728]

約数ペア:

[(1, 20018761728), (2, 10009380864), (3, 6672920576), (4, 5004690432), (6, 3336460288), (7, 2859823104), (8, 2502345216), (12, 1668230144), (14, 1429911552), (16, 1251172608), (21, 953274368), (24, 834115072), (28, 714955776), (32, 625586304), (42, 476637184), (48, 417057536), (56, 357477888), (64, 312793152), (84, 238318592), (96, 208528768), (112, 178738944), (128, 156396576), (168, 119159296), (192, 104264384), (211, 94875648), (224, 89369472), (256, 78198288), (336, 59579648), (384, 52132192), (422, 47437824), (448, 44684736), (512, 39099144), (633, 31625216), (672, 29789824), (768, 26066096), (844, 23718912), (896, 22342368), (1024, 19549572), (1103, 18149376), (1266, 15812608), (1344, 14894912), (1477, 13553664), (1536, 13033048), (1688, 11859456), (1792, 11171184), (2048, 9774786), (2206, 9074688), (2532, 7906304), (2688, 7447456), (2954, 6776832), (3072, 6516524), (3309, 6049792), (3376, 5929728), (3584, 5585592), (4096, 4887393), (4412, 4537344), (4431, 4517888), (5064, 3953152), (5376, 3723728), (5908, 3388416), (6144, 3258262), (6618, 3024896), (6752, 2964864), (7168, 2792796), (7721, 2592768), (8824, 2268672), (8862, 2258944), (10128, 1976576), (10752, 1861864), (11816, 1694208), (12288, 1629131), (13236, 1512448), (13504, 1482432), (14336, 1396398), (15442, 1296384), (17648, 1134336), (17724, 1129472), (20256, 988288), (21504, 930932), (23163, 864256), (23632, 847104), (26472, 756224), (27008, 741216), (28672, 698199), (30884, 648192), (35296, 567168), (35448, 564736), (40512, 494144), (43008, 465466), (46326, 432128), (47264, 423552), (52944, 378112), (54016, 370608), (61768, 324096), (70592, 283584), (70896, 282368), (81024, 247072), (86016, 232733), (92652, 216064), (94528, 211776), (105888, 189056), (108032, 185304), (123536, 162048), (141184, 141792)]