20983305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{593}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 17564919

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 337, 593, 1011, 1685, 1779, 2359, 2965, 4151, 5055, 7077, 8895, 11795, 12453, 20755, 35385, 62265, 199841, 599523, 999205, 1398887, 2997615, 4196661, 6994435, 20983305]

約数ペア:

[(1, 20983305), (3, 6994435), (5, 4196661), (7, 2997615), (15, 1398887), (21, 999205), (35, 599523), (105, 199841), (337, 62265), (593, 35385), (1011, 20755), (1685, 12453), (1779, 11795), (2359, 8895), (2965, 7077), (4151, 5055)]