20732882009

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{194717}}^1$

素因数の和:194825

約数の個数: 24

約数和(自身を含む): 25172364168

約数和(自身を除く): 4439482159

約数列:

[1, 7, 41, 49, 53, 287, 371, 2009, 2173, 2597, 15211, 106477, 194717, 1363019, 7983397, 9541133, 10320001, 55883779, 72240007, 391186453, 423120041, 505680049, 2961840287, 20732882009]

約数ペア:

[(1, 20732882009), (7, 2961840287), (41, 505680049), (49, 423120041), (53, 391186453), (287, 72240007), (371, 55883779), (2009, 10320001), (2173, 9541133), (2597, 7983397), (15211, 1363019), (106477, 194717)]