20509356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244159}}^1$

素因数の和:244173

約数の個数: 24

約数和(自身を含む): 54691840

約数和(自身を除く): 34182484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244159, 488318, 732477, 976636, 1464954, 1709113, 2929908, 3418226, 5127339, 6836452, 10254678, 20509356]

約数ペア:

[(1, 20509356), (2, 10254678), (3, 6836452), (4, 5127339), (6, 3418226), (7, 2929908), (12, 1709113), (14, 1464954), (21, 976636), (28, 732477), (42, 488318), (84, 244159)]