20217484

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1447}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 40544000

約数和(自身を除く): 20326516

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1447, 1996, 2894, 3493, 5788, 6986, 10129, 13972, 20258, 40516, 722053, 1444106, 2888212, 5054371, 10108742, 20217484]

約数ペア:

[(1, 20217484), (2, 10108742), (4, 5054371), (7, 2888212), (14, 1444106), (28, 722053), (499, 40516), (998, 20258), (1447, 13972), (1996, 10129), (2894, 6986), (3493, 5788)]