20487327

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14561}}^1$

素因数の和:14638

約数の個数: 16

約数和(自身を含む): 31686912

約数和(自身を除く): 11199585

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14561, 43683, 101927, 305781, 975587, 2926761, 6829109, 20487327]

約数ペア:

[(1, 20487327), (3, 6829109), (7, 2926761), (21, 975587), (67, 305781), (201, 101927), (469, 43683), (1407, 14561)]