20289222

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1753}}^1$

素因数の和:2404

約数の個数: 24

約数和(自身を含む): 44053464

約数和(自身を除く): 23764242

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1753, 1929, 3506, 3858, 5259, 5787, 10518, 11574, 15777, 31554, 1127179, 2254358, 3381537, 6763074, 10144611, 20289222]

約数ペア:

[(1, 20289222), (2, 10144611), (3, 6763074), (6, 3381537), (9, 2254358), (18, 1127179), (643, 31554), (1286, 15777), (1753, 11574), (1929, 10518), (3506, 5787), (3858, 5259)]