20689716

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{32531}}^1$

素因数の和:32591

約数の個数: 24

約数和(自身を含む): 49188384

約数和(自身を除く): 28498668

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 32531, 65062, 97593, 130124, 195186, 390372, 1724143, 3448286, 5172429, 6896572, 10344858, 20689716]

約数ペア:

[(1, 20689716), (2, 10344858), (3, 6896572), (4, 5172429), (6, 3448286), (12, 1724143), (53, 390372), (106, 195186), (159, 130124), (212, 97593), (318, 65062), (636, 32531)]