20568972

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{3491}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 48105792

約数和(自身を除く): 27536820

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 3491, 5892, 6982, 10473, 13964, 20946, 41892, 1714081, 3428162, 5142243, 6856324, 10284486, 20568972]

約数ペア:

[(1, 20568972), (2, 10284486), (3, 6856324), (4, 5142243), (6, 3428162), (12, 1714081), (491, 41892), (982, 20946), (1473, 13964), (1964, 10473), (2946, 6982), (3491, 5892)]