20856552606

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{113}}^2\times {\mathrm{881}}^1$

素因数の和:1218

約数の個数: 72

約数和(自身を含む): 46087541136

約数和(自身を除く): 25230988530

約数列:

[1, 2, 3, 6, 9, 18, 103, 113, 206, 226, 309, 339, 618, 678, 881, 927, 1017, 1762, 1854, 2034, 2643, 5286, 7929, 11639, 12769, 15858, 23278, 25538, 34917, 38307, 69834, 76614, 90743, 99553, 104751, 114921, 181486, 199106, 209502, 229842, 272229, 298659, 544458, 597318, 816687, 895977, 1315207, 1633374, 1791954, 2630414, 3945621, 7891242, 10253959, 11249489, 11836863, 20507918, 22498978, 23673726, 30761877, 33748467, 61523754, 67496934, 92285631, 101245401, 184571262, 202490802, 1158697367, 2317394734, 3476092101, 6952184202, 10428276303, 20856552606]

約数ペア:

[(1, 20856552606), (2, 10428276303), (3, 6952184202), (6, 3476092101), (9, 2317394734), (18, 1158697367), (103, 202490802), (113, 184571262), (206, 101245401), (226, 92285631), (309, 67496934), (339, 61523754), (618, 33748467), (678, 30761877), (881, 23673726), (927, 22498978), (1017, 20507918), (1762, 11836863), (1854, 11249489), (2034, 10253959), (2643, 7891242), (5286, 3945621), (7929, 2630414), (11639, 1791954), (12769, 1633374), (15858, 1315207), (23278, 895977), (25538, 816687), (34917, 597318), (38307, 544458), (69834, 298659), (76614, 272229), (90743, 229842), (99553, 209502), (104751, 199106), (114921, 181486)]