20861782

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3571}}^1$

素因数の和:3723

約数の個数: 16

約数和(自身を含む): 32919552

約数和(自身を除く): 12057770

約数列:

[1, 2, 23, 46, 127, 254, 2921, 3571, 5842, 7142, 82133, 164266, 453517, 907034, 10430891, 20861782]

約数ペア:

[(1, 20861782), (2, 10430891), (23, 907034), (46, 453517), (127, 164266), (254, 82133), (2921, 7142), (3571, 5842)]