20879277

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 28543680

約数和(自身を除く): 7664403

約数列:

[1, 3, 67, 109, 201, 327, 953, 2859, 7303, 21909, 63851, 103877, 191553, 311631, 6959759, 20879277]

約数ペア:

[(1, 20879277), (3, 6959759), (67, 311631), (109, 191553), (201, 103877), (327, 63851), (953, 21909), (2859, 7303)]