662020180

素因数分解:

$2^2\times 5^1\times {\mathrm{33101009}}^1$

素因数の和:33101018

約数の個数: 12

約数和(自身を含む): 1390242420

約数和(自身を除く): 728222240

約数列:

[1, 2, 4, 5, 10, 20, 33101009, 66202018, 132404036, 165505045, 331010090, 662020180]

約数ペア:

[(1, 662020180), (2, 331010090), (4, 165505045), (5, 132404036), (10, 66202018), (20, 33101009)]