20771576

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16127}}^1$

素因数の和:16163

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 25677064

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16127, 32254, 64508, 112889, 129016, 225778, 370921, 451556, 741842, 903112, 1483684, 2596447, 2967368, 5192894, 10385788, 20771576]

約数ペア:

[(1, 20771576), (2, 10385788), (4, 5192894), (7, 2967368), (8, 2596447), (14, 1483684), (23, 903112), (28, 741842), (46, 451556), (56, 370921), (92, 225778), (161, 129016), (184, 112889), (322, 64508), (644, 32254), (1288, 16127)]