20118889749

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{2719}}^1$

素因数の和:2962

約数の個数: 64

約数和(自身を含む): 32149094400

約数和(自身を除く): 12030204651

約数列:

[1, 3, 7, 21, 37, 89, 107, 111, 259, 267, 321, 623, 749, 777, 1869, 2247, 2719, 3293, 3959, 8157, 9523, 9879, 11877, 19033, 23051, 27713, 28569, 57099, 66661, 69153, 83139, 100603, 199983, 241991, 290933, 301809, 352351, 704221, 725973, 872799, 1057053, 1693937, 2036531, 2112663, 2466457, 5081811, 6109593, 7399371, 8953667, 10764521, 25893037, 26861001, 32293563, 62675669, 75351647, 77679111, 181251259, 188027007, 226054941, 543753777, 958042369, 2874127107, 6706296583, 20118889749]

約数ペア:

[(1, 20118889749), (3, 6706296583), (7, 2874127107), (21, 958042369), (37, 543753777), (89, 226054941), (107, 188027007), (111, 181251259), (259, 77679111), (267, 75351647), (321, 62675669), (623, 32293563), (749, 26861001), (777, 25893037), (1869, 10764521), (2247, 8953667), (2719, 7399371), (3293, 6109593), (3959, 5081811), (8157, 2466457), (9523, 2112663), (9879, 2036531), (11877, 1693937), (19033, 1057053), (23051, 872799), (27713, 725973), (28569, 704221), (57099, 352351), (66661, 301809), (69153, 290933), (83139, 241991), (100603, 199983)]