20375789

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 24120576

約数和(自身を除く): 3744787

約数列:

[1, 7, 37, 151, 259, 521, 1057, 3647, 5587, 19277, 39109, 78671, 134939, 550697, 2910827, 20375789]

約数ペア:

[(1, 20375789), (7, 2910827), (37, 550697), (151, 134939), (259, 78671), (521, 39109), (1057, 19277), (3647, 5587)]