20039691

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1381}}^1$

素因数の和:2082

約数の個数: 16

約数和(自身を含む): 30603008

約数和(自身を除く): 10563317

約数列:

[1, 3, 7, 21, 691, 1381, 2073, 4143, 4837, 9667, 14511, 29001, 954271, 2862813, 6679897, 20039691]

約数ペア:

[(1, 20039691), (3, 6679897), (7, 2862813), (21, 954271), (691, 29001), (1381, 14511), (2073, 9667), (4143, 4837)]