20199266978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12931669}}^1$

素因数の和:12931753

約数の個数: 16

約数和(自身を含む): 33518888640

約数和(自身を除く): 13319621662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12931669, 25863338, 142248359, 284496718, 918148499, 1836296998, 10099633489, 20199266978]

約数ペア:

[(1, 20199266978), (2, 10099633489), (11, 1836296998), (22, 918148499), (71, 284496718), (142, 142248359), (781, 25863338), (1562, 12931669)]