20731301423

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{129719}}^1$

素因数の和:129839

約数の個数: 24

約数和(自身を含む): 25487385600

約数和(自身を除く): 4756084177

約数列:

[1, 7, 17, 79, 119, 289, 553, 1343, 2023, 9401, 22831, 129719, 159817, 908033, 2205223, 10247801, 15436561, 37488791, 71734607, 174212617, 262421537, 1219488319, 2961614489, 20731301423]

約数ペア:

[(1, 20731301423), (7, 2961614489), (17, 1219488319), (79, 262421537), (119, 174212617), (289, 71734607), (553, 37488791), (1343, 15436561), (2023, 10247801), (9401, 2205223), (22831, 908033), (129719, 159817)]