20740804539

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75973643}}^1$

素因数の和:75973666

約数の個数: 16

約数和(自身を含む): 34036192512

約数和(自身を除く): 13295387973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75973643, 227920929, 531815501, 987657359, 1595446503, 2962972077, 6913601513, 20740804539]

約数ペア:

[(1, 20740804539), (3, 6913601513), (7, 2962972077), (13, 1595446503), (21, 987657359), (39, 531815501), (91, 227920929), (273, 75973643)]