20155454

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2312

約数の個数: 24

約数和(自身を含む): 34144824

約数和(自身を除く): 13989370

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2251, 4477, 4502, 8954, 24761, 49522, 83287, 166574, 272371, 544742, 916157, 1832314, 10077727, 20155454]

約数ペア:

[(1, 20155454), (2, 10077727), (11, 1832314), (22, 916157), (37, 544742), (74, 272371), (121, 166574), (242, 83287), (407, 49522), (814, 24761), (2251, 8954), (4477, 4502)]