20816436

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{3533}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 48684384

約数和(自身を除く): 27867948

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 3533, 5892, 7066, 10599, 14132, 21198, 42396, 1734703, 3469406, 5204109, 6938812, 10408218, 20816436]

約数ペア:

[(1, 20816436), (2, 10408218), (3, 6938812), (4, 5204109), (6, 3469406), (12, 1734703), (491, 42396), (982, 21198), (1473, 14132), (1964, 10599), (2946, 7066), (3533, 5892)]