20895318

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1811}}^1$

素因数の和:2460

約数の個数: 24

約数和(自身を含む): 45368856

約数和(自身を除く): 24473538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1811, 1923, 3622, 3846, 5433, 5769, 10866, 11538, 16299, 32598, 1160851, 2321702, 3482553, 6965106, 10447659, 20895318]

約数ペア:

[(1, 20895318), (2, 10447659), (3, 6965106), (6, 3482553), (9, 2321702), (18, 1160851), (641, 32598), (1282, 16299), (1811, 11538), (1923, 10866), (3622, 5769), (3846, 5433)]