20652411

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11281029

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 593, 611, 741, 893, 1779, 1833, 2679, 7709, 11267, 11609, 23127, 27871, 33801, 34827, 83613, 146471, 362323, 439413, 529549, 1086969, 1588647, 6884137, 20652411]

約数ペア:

[(1, 20652411), (3, 6884137), (13, 1588647), (19, 1086969), (39, 529549), (47, 439413), (57, 362323), (141, 146471), (247, 83613), (593, 34827), (611, 33801), (741, 27871), (893, 23127), (1779, 11609), (1833, 11267), (2679, 7709)]