19762540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141161}}^1$

素因数の和:141177

約数の個数: 24

約数和(自身を含む): 47430432

約数和(自身を除く): 27667892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141161, 282322, 564644, 705805, 988127, 1411610, 1976254, 2823220, 3952508, 4940635, 9881270, 19762540]

約数ペア:

[(1, 19762540), (2, 9881270), (4, 4940635), (5, 3952508), (7, 2823220), (10, 1976254), (14, 1411610), (20, 988127), (28, 705805), (35, 564644), (70, 282322), (140, 141161)]