20851432

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16189}}^1$

素因数の和:16225

約数の個数: 32

約数和(自身を含む): 46627200

約数和(自身を除く): 25775768

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16189, 32378, 64756, 113323, 129512, 226646, 372347, 453292, 744694, 906584, 1489388, 2606429, 2978776, 5212858, 10425716, 20851432]

約数ペア:

[(1, 20851432), (2, 10425716), (4, 5212858), (7, 2978776), (8, 2606429), (14, 1489388), (23, 906584), (28, 744694), (46, 453292), (56, 372347), (92, 226646), (161, 129512), (184, 113323), (322, 64756), (644, 32378), (1288, 16189)]