20654414

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40819}}^1$

素因数の和:40855

約数の個数: 16

約数和(自身を含む): 35268480

約数和(自身を除く): 14614066

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40819, 81638, 449009, 898018, 938837, 1877674, 10327207, 20654414]

約数ペア:

[(1, 20654414), (2, 10327207), (11, 1877674), (22, 938837), (23, 898018), (46, 449009), (253, 81638), (506, 40819)]