20327846

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 39275280

約数和(自身を除く): 18947434

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 109, 154, 173, 218, 346, 539, 763, 1078, 1199, 1211, 1526, 1903, 2398, 2422, 3806, 5341, 8393, 8477, 10682, 13321, 16786, 16954, 18857, 26642, 37714, 58751, 93247, 117502, 131999, 186494, 207427, 263998, 414854, 923993, 1451989, 1847986, 2903978, 10163923, 20327846]

約数ペア:

[(1, 20327846), (2, 10163923), (7, 2903978), (11, 1847986), (14, 1451989), (22, 923993), (49, 414854), (77, 263998), (98, 207427), (109, 186494), (154, 131999), (173, 117502), (218, 93247), (346, 58751), (539, 37714), (763, 26642), (1078, 18857), (1199, 16954), (1211, 16786), (1526, 13321), (1903, 10682), (2398, 8477), (2422, 8393), (3806, 5341)]