20348140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35083}}^1$

素因数の和:35121

約数の個数: 24

約数和(自身を含む): 44205840

約数和(自身を除く): 23857700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35083, 70166, 140332, 175415, 350830, 701660, 1017407, 2034814, 4069628, 5087035, 10174070, 20348140]

約数ペア:

[(1, 20348140), (2, 10174070), (4, 5087035), (5, 4069628), (10, 2034814), (20, 1017407), (29, 701660), (58, 350830), (116, 175415), (145, 140332), (290, 70166), (580, 35083)]