20199553941

素因数分解:

$3^1\times 7^1\times {\mathrm{3001}}^1\times {\mathrm{320521}}^1$

素因数の和:323532

約数の個数: 16

約数和(自身を含む): 30790625408

約数和(自身を除く): 10591071467

約数列:

[1, 3, 7, 21, 3001, 9003, 21007, 63021, 320521, 961563, 2243647, 6730941, 961883521, 2885650563, 6733184647, 20199553941]

約数ペア:

[(1, 20199553941), (3, 6733184647), (7, 2885650563), (21, 961883521), (3001, 6730941), (9003, 2243647), (21007, 961563), (63021, 320521)]