2016206420

素因数分解:

$2^2\times 5^1\times {\mathrm{100810321}}^1$

素因数の和:100810330

約数の個数: 12

約数和(自身を含む): 4234033524

約数和(自身を除く): 2217827104

約数列:

[1, 2, 4, 5, 10, 20, 100810321, 201620642, 403241284, 504051605, 1008103210, 2016206420]

約数ペア:

[(1, 2016206420), (2, 1008103210), (4, 504051605), (5, 403241284), (10, 201620642), (20, 100810321)]