20976193

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 24975360

約数和(自身を除く): 3999167

約数列:

[1, 7, 29, 191, 203, 541, 1337, 3787, 5539, 15689, 38773, 103331, 109823, 723317, 2996599, 20976193]

約数ペア:

[(1, 20976193), (7, 2996599), (29, 723317), (191, 109823), (203, 103331), (541, 38773), (1337, 15689), (3787, 5539)]