20194690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87803}}^1$

素因数の和:87833

約数の個数: 16

約数和(自身を含む): 37931328

約数和(自身を除く): 17736638

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87803, 175606, 439015, 878030, 2019469, 4038938, 10097345, 20194690]

約数ペア:

[(1, 20194690), (2, 10097345), (5, 4038938), (10, 2019469), (23, 878030), (46, 439015), (115, 175606), (230, 87803)]