20161208541

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{72229}}^1$

素因数の和:72393

約数の個数: 32

約数和(自身を含む): 29123136000

約数和(自身を除く): 8961927459

約数列:

[1, 3, 19, 57, 59, 83, 177, 249, 1121, 1577, 3363, 4731, 4897, 14691, 72229, 93043, 216687, 279129, 1372351, 4117053, 4261511, 5995007, 12784533, 17985021, 80968709, 113905133, 242906127, 341715399, 353705413, 1061116239, 6720402847, 20161208541]

約数ペア:

[(1, 20161208541), (3, 6720402847), (19, 1061116239), (57, 353705413), (59, 341715399), (83, 242906127), (177, 113905133), (249, 80968709), (1121, 17985021), (1577, 12784533), (3363, 5995007), (4731, 4261511), (4897, 4117053), (14691, 1372351), (72229, 279129), (93043, 216687)]