20000673

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 96

約数和(自身を含む): 39936000

約数和(自身を除く): 19935327

約数列:

[1, 3, 7, 9, 11, 19, 21, 31, 33, 49, 57, 63, 77, 93, 99, 133, 147, 171, 209, 217, 231, 279, 341, 343, 399, 441, 539, 589, 627, 651, 693, 931, 1023, 1029, 1197, 1463, 1519, 1617, 1767, 1881, 1953, 2387, 2793, 3069, 3087, 3773, 4123, 4389, 4557, 4851, 5301, 6479, 6517, 7161, 8379, 10241, 10633, 11319, 12369, 13167, 13671, 16709, 19437, 19551, 21483, 28861, 30723, 31899, 33957, 37107, 45353, 50127, 58311, 58653, 71687, 86583, 92169, 95697, 116963, 136059, 150381, 202027, 215061, 259749, 317471, 350889, 408177, 606081, 645183, 952413, 1052667, 1818243, 2222297, 2857239, 6666891, 20000673]

約数ペア:

[(1, 20000673), (3, 6666891), (7, 2857239), (9, 2222297), (11, 1818243), (19, 1052667), (21, 952413), (31, 645183), (33, 606081), (49, 408177), (57, 350889), (63, 317471), (77, 259749), (93, 215061), (99, 202027), (133, 150381), (147, 136059), (171, 116963), (209, 95697), (217, 92169), (231, 86583), (279, 71687), (341, 58653), (343, 58311), (399, 50127), (441, 45353), (539, 37107), (589, 33957), (627, 31899), (651, 30723), (693, 28861), (931, 21483), (1023, 19551), (1029, 19437), (1197, 16709), (1463, 13671), (1519, 13167), (1617, 12369), (1767, 11319), (1881, 10633), (1953, 10241), (2387, 8379), (2793, 7161), (3069, 6517), (3087, 6479), (3773, 5301), (4123, 4851), (4389, 4557)]