20529610

素因数分解:

$2^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2971}}^1$

素因数の和:3669

約数の個数: 16

約数和(自身を含む): 37019232

約数和(自身を除く): 16489622

約数列:

[1, 2, 5, 10, 691, 1382, 2971, 3455, 5942, 6910, 14855, 29710, 2052961, 4105922, 10264805, 20529610]

約数ペア:

[(1, 20529610), (2, 10264805), (5, 4105922), (10, 2052961), (691, 29710), (1382, 14855), (2971, 6910), (3455, 5942)]