20408402448

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{285161}}^1$

素因数の和:285253

約数の個数: 120

約数和(自身を含む): 66194084736

約数和(自身を除く): 45785682288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 71, 72, 84, 112, 126, 142, 144, 168, 213, 252, 284, 336, 426, 497, 504, 568, 639, 852, 994, 1008, 1136, 1278, 1491, 1704, 1988, 2556, 2982, 3408, 3976, 4473, 5112, 5964, 7952, 8946, 10224, 11928, 17892, 23856, 35784, 71568, 285161, 570322, 855483, 1140644, 1710966, 1996127, 2281288, 2566449, 3421932, 3992254, 4562576, 5132898, 5988381, 6843864, 7984508, 10265796, 11976762, 13687728, 15969016, 17965143, 20246431, 20531592, 23953524, 31938032, 35930286, 40492862, 41063184, 47907048, 60739293, 71860572, 80985724, 95814096, 121478586, 141725017, 143721144, 161971448, 182217879, 242957172, 283450034, 287442288, 323942896, 364435758, 425175051, 485914344, 566900068, 728871516, 850350102, 971828688, 1133800136, 1275525153, 1457743032, 1700700204, 2267600272, 2551050306, 2915486064, 3401400408, 5102100612, 6802800816, 10204201224, 20408402448]

約数ペア:

[(1, 20408402448), (2, 10204201224), (3, 6802800816), (4, 5102100612), (6, 3401400408), (7, 2915486064), (8, 2551050306), (9, 2267600272), (12, 1700700204), (14, 1457743032), (16, 1275525153), (18, 1133800136), (21, 971828688), (24, 850350102), (28, 728871516), (36, 566900068), (42, 485914344), (48, 425175051), (56, 364435758), (63, 323942896), (71, 287442288), (72, 283450034), (84, 242957172), (112, 182217879), (126, 161971448), (142, 143721144), (144, 141725017), (168, 121478586), (213, 95814096), (252, 80985724), (284, 71860572), (336, 60739293), (426, 47907048), (497, 41063184), (504, 40492862), (568, 35930286), (639, 31938032), (852, 23953524), (994, 20531592), (1008, 20246431), (1136, 17965143), (1278, 15969016), (1491, 13687728), (1704, 11976762), (1988, 10265796), (2556, 7984508), (2982, 6843864), (3408, 5988381), (3976, 5132898), (4473, 4562576), (5112, 3992254), (5964, 3421932), (7952, 2566449), (8946, 2281288), (10224, 1996127), (11928, 1710966), (17892, 1140644), (23856, 855483), (35784, 570322), (71568, 285161)]