20039901

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14243}}^1$

素因数の和:14320

約数の個数: 16

約数和(自身を含む): 30994944

約数和(自身を除く): 10955043

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14243, 42729, 99701, 299103, 954281, 2862843, 6679967, 20039901]

約数ペア:

[(1, 20039901), (3, 6679967), (7, 2862843), (21, 954281), (67, 299103), (201, 99701), (469, 42729), (1407, 14243)]