20818872

素因数分解:

$2^3\times 3^2\times {\mathrm{289151}}^1$

素因数の和:289163

約数の個数: 24

約数和(自身を含む): 56384640

約数和(自身を除く): 35565768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289151, 578302, 867453, 1156604, 1734906, 2313208, 2602359, 3469812, 5204718, 6939624, 10409436, 20818872]

約数ペア:

[(1, 20818872), (2, 10409436), (3, 6939624), (4, 5204718), (6, 3469812), (8, 2602359), (9, 2313208), (12, 1734906), (18, 1156604), (24, 867453), (36, 578302), (72, 289151)]