20744922

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27777318

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 71, 114, 142, 209, 213, 233, 418, 426, 466, 627, 699, 781, 1254, 1349, 1398, 1562, 2343, 2563, 2698, 4047, 4427, 4686, 5126, 7689, 8094, 8854, 13281, 14839, 15378, 16543, 26562, 29678, 33086, 44517, 48697, 49629, 89034, 97394, 99258, 146091, 181973, 292182, 314317, 363946, 545919, 628634, 942951, 1091838, 1885902, 3457487, 6914974, 10372461, 20744922]

約数ペア:

[(1, 20744922), (2, 10372461), (3, 6914974), (6, 3457487), (11, 1885902), (19, 1091838), (22, 942951), (33, 628634), (38, 545919), (57, 363946), (66, 314317), (71, 292182), (114, 181973), (142, 146091), (209, 99258), (213, 97394), (233, 89034), (418, 49629), (426, 48697), (466, 44517), (627, 33086), (699, 29678), (781, 26562), (1254, 16543), (1349, 15378), (1398, 14839), (1562, 13281), (2343, 8854), (2563, 8094), (2698, 7689), (4047, 5126), (4427, 4686)]