20238933969

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{43}}^2\times {\mathrm{1123}}^1$

素因数の和:1256

約数の個数: 72

約数和(自身を含む): 32426635680

約数和(自身を除く): 12187701711

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 361, 387, 513, 817, 1083, 1123, 1161, 1849, 2451, 3249, 3369, 5547, 7353, 9747, 10107, 15523, 16641, 21337, 22059, 30321, 35131, 46569, 48289, 49923, 64011, 105393, 139707, 144867, 192033, 316179, 405403, 419121, 434601, 576099, 667489, 917491, 948537, 1216209, 1303803, 2002467, 2076427, 2752473, 3648627, 6007401, 6229281, 8257419, 10945881, 17432329, 18022203, 18687843, 24772257, 39452113, 52296987, 56063529, 118356339, 156890961, 355069017, 470672883, 749590147, 1065207051, 2248770441, 6746311323, 20238933969]

約数ペア:

[(1, 20238933969), (3, 6746311323), (9, 2248770441), (19, 1065207051), (27, 749590147), (43, 470672883), (57, 355069017), (129, 156890961), (171, 118356339), (361, 56063529), (387, 52296987), (513, 39452113), (817, 24772257), (1083, 18687843), (1123, 18022203), (1161, 17432329), (1849, 10945881), (2451, 8257419), (3249, 6229281), (3369, 6007401), (5547, 3648627), (7353, 2752473), (9747, 2076427), (10107, 2002467), (15523, 1303803), (16641, 1216209), (21337, 948537), (22059, 917491), (30321, 667489), (35131, 576099), (46569, 434601), (48289, 419121), (49923, 405403), (64011, 316179), (105393, 192033), (139707, 144867)]