20676821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 2765227

約数列:

[1, 11, 37, 101, 407, 503, 1111, 3737, 5533, 18611, 41107, 50803, 204721, 558833, 1879711, 20676821]

約数ペア:

[(1, 20676821), (11, 1879711), (37, 558833), (101, 204721), (407, 50803), (503, 41107), (1111, 18611), (3737, 5533)]