20279343

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2767}}^1$

素因数の和:3126

約数の個数: 16

約数和(自身を含む): 31001600

約数和(自身を除く): 10722257

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 2767, 7329, 8301, 19369, 58107, 965683, 2897049, 6759781, 20279343]

約数ペア:

[(1, 20279343), (3, 6759781), (7, 2897049), (21, 965683), (349, 58107), (1047, 19369), (2443, 8301), (2767, 7329)]