20502357

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9349}}^1$

素因数の和:9412

約数の個数: 16

約数和(自身を含む): 29620800

約数和(自身を除く): 9118443

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9349, 28047, 158933, 402007, 476799, 1206021, 6834119, 20502357]

約数ペア:

[(1, 20502357), (3, 6834119), (17, 1206021), (43, 476799), (51, 402007), (129, 158933), (731, 28047), (2193, 9349)]