20398710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{679957}}^1$

素因数の和:679967

約数の個数: 16

約数和(自身を含む): 48956976

約数和(自身を除く): 28558266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 679957, 1359914, 2039871, 3399785, 4079742, 6799570, 10199355, 20398710]

約数ペア:

[(1, 20398710), (2, 10199355), (3, 6799570), (5, 4079742), (6, 3399785), (10, 2039871), (15, 1359914), (30, 679957)]