20172542397

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56505721}}^1$

素因数の和:56505748

約数の個数: 16

約数和(自身を含む): 32547295872

約数和(自身を除く): 12374753475

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56505721, 169517163, 395540047, 960597257, 1186620141, 2881791771, 6724180799, 20172542397]

約数ペア:

[(1, 20172542397), (3, 6724180799), (7, 2881791771), (17, 1186620141), (21, 960597257), (51, 395540047), (119, 169517163), (357, 56505721)]