20427358

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63439}}^1$

素因数の和:63471

約数の個数: 16

約数和(自身を含む): 36541440

約数和(自身を除く): 16114082

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63439, 126878, 444073, 888146, 1459097, 2918194, 10213679, 20427358]

約数ペア:

[(1, 20427358), (2, 10213679), (7, 2918194), (14, 1459097), (23, 888146), (46, 444073), (161, 126878), (322, 63439)]