20008803

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 27568640

約数和(自身を除く): 7559837

約数列:

[1, 3, 43, 109, 129, 327, 1423, 4269, 4687, 14061, 61189, 155107, 183567, 465321, 6669601, 20008803]

約数ペア:

[(1, 20008803), (3, 6669601), (43, 465321), (109, 183567), (129, 155107), (327, 61189), (1423, 14061), (4269, 4687)]