20402382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 56770560

約数和(自身を除く): 36368178

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 43, 66, 77, 78, 79, 86, 91, 129, 143, 154, 158, 182, 231, 237, 258, 273, 286, 301, 429, 462, 473, 474, 546, 553, 559, 602, 858, 869, 903, 946, 1001, 1027, 1106, 1118, 1419, 1659, 1677, 1738, 1806, 2002, 2054, 2607, 2838, 3003, 3081, 3311, 3318, 3354, 3397, 3913, 5214, 6006, 6083, 6149, 6162, 6622, 6794, 7189, 7826, 9933, 10191, 11297, 11739, 12166, 12298, 14378, 18249, 18447, 19866, 20382, 21567, 22594, 23478, 23779, 33891, 36498, 36894, 37367, 43043, 43134, 44161, 47558, 67782, 71337, 74734, 79079, 86086, 88322, 112101, 129129, 132483, 142674, 158158, 224202, 237237, 258258, 261569, 264966, 309127, 474474, 485771, 523138, 618254, 784707, 927381, 971542, 1457313, 1569414, 1854762, 2914626, 3400397, 6800794, 10201191, 20402382]

約数ペア:

[(1, 20402382), (2, 10201191), (3, 6800794), (6, 3400397), (7, 2914626), (11, 1854762), (13, 1569414), (14, 1457313), (21, 971542), (22, 927381), (26, 784707), (33, 618254), (39, 523138), (42, 485771), (43, 474474), (66, 309127), (77, 264966), (78, 261569), (79, 258258), (86, 237237), (91, 224202), (129, 158158), (143, 142674), (154, 132483), (158, 129129), (182, 112101), (231, 88322), (237, 86086), (258, 79079), (273, 74734), (286, 71337), (301, 67782), (429, 47558), (462, 44161), (473, 43134), (474, 43043), (546, 37367), (553, 36894), (559, 36498), (602, 33891), (858, 23779), (869, 23478), (903, 22594), (946, 21567), (1001, 20382), (1027, 19866), (1106, 18447), (1118, 18249), (1419, 14378), (1659, 12298), (1677, 12166), (1738, 11739), (1806, 11297), (2002, 10191), (2054, 9933), (2607, 7826), (2838, 7189), (3003, 6794), (3081, 6622), (3311, 6162), (3318, 6149), (3354, 6083), (3397, 6006), (3913, 5214)]