20971586

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{379}}^2$

素因数の和:833

約数の個数: 12

約数和(自身を含む): 31972662

約数和(自身を除く): 11001076

約数列:

[1, 2, 73, 146, 379, 758, 27667, 55334, 143641, 287282, 10485793, 20971586]

約数ペア:

[(1, 20971586), (2, 10485793), (73, 287282), (146, 143641), (379, 55334), (758, 27667)]