20576226

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4391}}^1$

素因数の和:4478

約数の個数: 32

約数和(自身を含む): 45536256

約数和(自身を除く): 24960030

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4391, 4686, 8782, 13173, 26346, 48301, 96602, 144903, 289806, 311761, 623522, 935283, 1870566, 3429371, 6858742, 10288113, 20576226]

約数ペア:

[(1, 20576226), (2, 10288113), (3, 6858742), (6, 3429371), (11, 1870566), (22, 935283), (33, 623522), (66, 311761), (71, 289806), (142, 144903), (213, 96602), (426, 48301), (781, 26346), (1562, 13173), (2343, 8782), (4391, 4686)]