20213060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144379}}^1$

素因数の和:144395

約数の個数: 24

約数和(自身を含む): 48511680

約数和(自身を除く): 28298620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144379, 288758, 577516, 721895, 1010653, 1443790, 2021306, 2887580, 4042612, 5053265, 10106530, 20213060]

約数ペア:

[(1, 20213060), (2, 10106530), (4, 5053265), (5, 4042612), (7, 2887580), (10, 2021306), (14, 1443790), (20, 1010653), (28, 721895), (35, 577516), (70, 288758), (140, 144379)]