20375784

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2015

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 44489016

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 156, 198, 234, 264, 286, 312, 396, 429, 468, 572, 792, 858, 936, 1144, 1287, 1716, 1979, 2574, 3432, 3958, 5148, 5937, 7916, 10296, 11874, 15832, 17811, 21769, 23748, 25727, 35622, 43538, 47496, 51454, 65307, 71244, 77181, 87076, 102908, 130614, 142488, 154362, 174152, 195921, 205816, 231543, 261228, 282997, 308724, 391842, 463086, 522456, 565994, 617448, 783684, 848991, 926172, 1131988, 1567368, 1697982, 1852344, 2263976, 2546973, 3395964, 5093946, 6791928, 10187892, 20375784]

約数ペア:

[(1, 20375784), (2, 10187892), (3, 6791928), (4, 5093946), (6, 3395964), (8, 2546973), (9, 2263976), (11, 1852344), (12, 1697982), (13, 1567368), (18, 1131988), (22, 926172), (24, 848991), (26, 783684), (33, 617448), (36, 565994), (39, 522456), (44, 463086), (52, 391842), (66, 308724), (72, 282997), (78, 261228), (88, 231543), (99, 205816), (104, 195921), (117, 174152), (132, 154362), (143, 142488), (156, 130614), (198, 102908), (234, 87076), (264, 77181), (286, 71244), (312, 65307), (396, 51454), (429, 47496), (468, 43538), (572, 35622), (792, 25727), (858, 23748), (936, 21769), (1144, 17811), (1287, 15832), (1716, 11874), (1979, 10296), (2574, 7916), (3432, 5937), (3958, 5148)]