20328207

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 28490880

約数和(自身を除く): 8162673

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4259, 4773, 12777, 157583, 183137, 472749, 549411, 6776069, 20328207]

約数ペア:

[(1, 20328207), (3, 6776069), (37, 549411), (43, 472749), (111, 183137), (129, 157583), (1591, 12777), (4259, 4773)]