20173787781

素因数分解:

$3^1\times 7^1\times {\mathrm{3229}}^1\times {\mathrm{297509}}^1$

素因数の和:300748

約数の個数: 16

約数和(自身を含む): 30750633600

約数和(自身を除く): 10576845819

約数列:

[1, 3, 7, 21, 3229, 9687, 22603, 67809, 297509, 892527, 2082563, 6247689, 960656561, 2881969683, 6724595927, 20173787781]

約数ペア:

[(1, 20173787781), (3, 6724595927), (7, 2881969683), (21, 960656561), (3229, 6247689), (9687, 2082563), (22603, 892527), (67809, 297509)]