20839176

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 59304960

約数和(自身を除く): 38465784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 53, 72, 86, 106, 127, 129, 159, 172, 212, 254, 258, 318, 344, 381, 387, 424, 477, 508, 516, 636, 762, 774, 954, 1016, 1032, 1143, 1272, 1524, 1548, 1908, 2279, 2286, 3048, 3096, 3816, 4558, 4572, 5461, 6731, 6837, 9116, 9144, 10922, 13462, 13674, 16383, 18232, 20193, 20511, 21844, 26924, 27348, 32766, 40386, 41022, 43688, 49149, 53848, 54696, 60579, 65532, 80772, 82044, 98298, 121158, 131064, 161544, 164088, 196596, 242316, 289433, 393192, 484632, 578866, 868299, 1157732, 1736598, 2315464, 2604897, 3473196, 5209794, 6946392, 10419588, 20839176]

約数ペア:

[(1, 20839176), (2, 10419588), (3, 6946392), (4, 5209794), (6, 3473196), (8, 2604897), (9, 2315464), (12, 1736598), (18, 1157732), (24, 868299), (36, 578866), (43, 484632), (53, 393192), (72, 289433), (86, 242316), (106, 196596), (127, 164088), (129, 161544), (159, 131064), (172, 121158), (212, 98298), (254, 82044), (258, 80772), (318, 65532), (344, 60579), (381, 54696), (387, 53848), (424, 49149), (477, 43688), (508, 41022), (516, 40386), (636, 32766), (762, 27348), (774, 26924), (954, 21844), (1016, 20511), (1032, 20193), (1143, 18232), (1272, 16383), (1524, 13674), (1548, 13462), (1908, 10922), (2279, 9144), (2286, 9116), (3048, 6837), (3096, 6731), (3816, 5461), (4558, 4572)]