20266917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10422363

約数列:

[1, 3, 11, 33, 47, 73, 141, 179, 219, 517, 537, 803, 1551, 1969, 2409, 3431, 5907, 8413, 10293, 13067, 25239, 37741, 39201, 92543, 113223, 143737, 277629, 431211, 614149, 1842447, 6755639, 20266917]

約数ペア:

[(1, 20266917), (3, 6755639), (11, 1842447), (33, 614149), (47, 431211), (73, 277629), (141, 143737), (179, 113223), (219, 92543), (517, 39201), (537, 37741), (803, 25239), (1551, 13067), (1969, 10293), (2409, 8413), (3431, 5907)]