20807204976

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{337}}^1\times {\mathrm{2731}}^1$

素因数の和:3239

約数の個数: 120

約数和(自身を含む): 58797590384

約数和(自身を除く): 37990385408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 337, 471, 628, 674, 942, 1011, 1256, 1348, 1413, 1884, 2022, 2512, 2696, 2731, 2826, 3033, 3768, 4044, 5392, 5462, 5652, 6066, 7536, 8088, 8193, 10924, 11304, 12132, 16176, 16386, 21848, 22608, 24264, 24579, 32772, 43696, 48528, 49158, 52909, 65544, 98316, 105818, 131088, 158727, 196632, 211636, 317454, 393264, 423272, 428767, 476181, 634908, 846544, 857534, 920347, 952362, 1269816, 1286301, 1715068, 1840694, 1904724, 2539632, 2572602, 2761041, 3430136, 3681388, 3809448, 3858903, 5145204, 5522082, 6860272, 7362776, 7618896, 7717806, 8283123, 10290408, 11044164, 14725552, 15435612, 16566246, 20580816, 22088328, 30871224, 33132492, 44176656, 61742448, 66264984, 132529968, 144494479, 288988958, 433483437, 577977916, 866966874, 1155955832, 1300450311, 1733933748, 2311911664, 2600900622, 3467867496, 5201801244, 6935734992, 10403602488, 20807204976]

約数ペア:

[(1, 20807204976), (2, 10403602488), (3, 6935734992), (4, 5201801244), (6, 3467867496), (8, 2600900622), (9, 2311911664), (12, 1733933748), (16, 1300450311), (18, 1155955832), (24, 866966874), (36, 577977916), (48, 433483437), (72, 288988958), (144, 144494479), (157, 132529968), (314, 66264984), (337, 61742448), (471, 44176656), (628, 33132492), (674, 30871224), (942, 22088328), (1011, 20580816), (1256, 16566246), (1348, 15435612), (1413, 14725552), (1884, 11044164), (2022, 10290408), (2512, 8283123), (2696, 7717806), (2731, 7618896), (2826, 7362776), (3033, 6860272), (3768, 5522082), (4044, 5145204), (5392, 3858903), (5462, 3809448), (5652, 3681388), (6066, 3430136), (7536, 2761041), (8088, 2572602), (8193, 2539632), (10924, 1904724), (11304, 1840694), (12132, 1715068), (16176, 1286301), (16386, 1269816), (21848, 952362), (22608, 920347), (24264, 857534), (24579, 846544), (32772, 634908), (43696, 476181), (48528, 428767), (49158, 423272), (52909, 393264), (65544, 317454), (98316, 211636), (105818, 196632), (131088, 158727)]