20904842

素因数分解:

$2^1\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{1231}}^1$

素因数の和:2453

約数の個数: 16

約数和(自身を含む): 35895552

約数和(自身を除く): 14990710

約数列:

[1, 2, 7, 14, 1213, 1231, 2426, 2462, 8491, 8617, 16982, 17234, 1493203, 2986406, 10452421, 20904842]

約数ペア:

[(1, 20904842), (2, 10452421), (7, 2986406), (14, 1493203), (1213, 17234), (1231, 16982), (2426, 8617), (2462, 8491)]