20817288

素因数分解:

$2^3\times 3^2\times {\mathrm{289129}}^1$

素因数の和:289141

約数の個数: 24

約数和(自身を含む): 56380350

約数和(自身を除く): 35563062

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289129, 578258, 867387, 1156516, 1734774, 2313032, 2602161, 3469548, 5204322, 6939096, 10408644, 20817288]

約数ペア:

[(1, 20817288), (2, 10408644), (3, 6939096), (4, 5204322), (6, 3469548), (8, 2602161), (9, 2313032), (12, 1734774), (18, 1156516), (24, 867387), (36, 578258), (72, 289129)]