20988594

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1583

約数の個数: 48

約数和(自身を含む): 50341824

約数和(自身を除く): 29353230

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1493, 1562, 2343, 2986, 4479, 4686, 7029, 8958, 13437, 14058, 16423, 26874, 32846, 49269, 98538, 106003, 147807, 212006, 295614, 318009, 636018, 954027, 1166033, 1908054, 2332066, 3498099, 6996198, 10494297, 20988594]

約数ペア:

[(1, 20988594), (2, 10494297), (3, 6996198), (6, 3498099), (9, 2332066), (11, 1908054), (18, 1166033), (22, 954027), (33, 636018), (66, 318009), (71, 295614), (99, 212006), (142, 147807), (198, 106003), (213, 98538), (426, 49269), (639, 32846), (781, 26874), (1278, 16423), (1493, 14058), (1562, 13437), (2343, 8958), (2986, 7029), (4479, 4686)]