20259470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 46158336

約数和(自身を除く): 25898866

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 83, 110, 154, 166, 317, 385, 415, 581, 634, 770, 830, 913, 1162, 1585, 1826, 2219, 2905, 3170, 3487, 4438, 4565, 5810, 6391, 6974, 9130, 11095, 12782, 17435, 22190, 24409, 26311, 31955, 34870, 48818, 52622, 63910, 122045, 131555, 184177, 244090, 263110, 289421, 368354, 578842, 920885, 1447105, 1841770, 2025947, 2894210, 4051894, 10129735, 20259470]

約数ペア:

[(1, 20259470), (2, 10129735), (5, 4051894), (7, 2894210), (10, 2025947), (11, 1841770), (14, 1447105), (22, 920885), (35, 578842), (55, 368354), (70, 289421), (77, 263110), (83, 244090), (110, 184177), (154, 131555), (166, 122045), (317, 63910), (385, 52622), (415, 48818), (581, 34870), (634, 31955), (770, 26311), (830, 24409), (913, 22190), (1162, 17435), (1585, 12782), (1826, 11095), (2219, 9130), (2905, 6974), (3170, 6391), (3487, 5810), (4438, 4565)]