20770629

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 32156160

約数和(自身を除く): 11385531

約数列:

[1, 3, 11, 19, 33, 57, 157, 209, 211, 471, 627, 633, 1727, 2321, 2983, 4009, 5181, 6963, 8949, 12027, 32813, 33127, 44099, 98439, 99381, 132297, 364397, 629413, 1093191, 1888239, 6923543, 20770629]

約数ペア:

[(1, 20770629), (3, 6923543), (11, 1888239), (19, 1093191), (33, 629413), (57, 364397), (157, 132297), (209, 99381), (211, 98439), (471, 44099), (627, 33127), (633, 32813), (1727, 12027), (2321, 8949), (2983, 6963), (4009, 5181)]