806020

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 1709568

約数和(自身を除く): 903548

約数列:

[1, 2, 4, 5, 10, 20, 191, 211, 382, 422, 764, 844, 955, 1055, 1910, 2110, 3820, 4220, 40301, 80602, 161204, 201505, 403010, 806020]

約数ペア:

[(1, 806020), (2, 403010), (4, 201505), (5, 161204), (10, 80602), (20, 40301), (191, 4220), (211, 3820), (382, 2110), (422, 1910), (764, 1055), (844, 955)]