20129246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 12986914

約数列:

[1, 2, 19, 38, 43, 86, 97, 127, 194, 254, 817, 1634, 1843, 2413, 3686, 4171, 4826, 5461, 8342, 10922, 12319, 24638, 79249, 103759, 158498, 207518, 234061, 468122, 529717, 1059434, 10064623, 20129246]

約数ペア:

[(1, 20129246), (2, 10064623), (19, 1059434), (38, 529717), (43, 468122), (86, 234061), (97, 207518), (127, 158498), (194, 103759), (254, 79249), (817, 24638), (1634, 12319), (1843, 10922), (2413, 8342), (3686, 5461), (4171, 4826)]