20394882

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16421}}^1$

素因数の和:16455

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 26900478

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16421, 32842, 49263, 98526, 147789, 295578, 377683, 443367, 755366, 886734, 1133049, 2266098, 3399147, 6798294, 10197441, 20394882]

約数ペア:

[(1, 20394882), (2, 10197441), (3, 6798294), (6, 3399147), (9, 2266098), (18, 1133049), (23, 886734), (27, 755366), (46, 443367), (54, 377683), (69, 295578), (138, 147789), (207, 98526), (414, 49263), (621, 32842), (1242, 16421)]