20339902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2087}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 33374592

約数和(自身を除く): 13034690

約数列:

[1, 2, 11, 22, 443, 886, 2087, 4174, 4873, 9746, 22957, 45914, 924541, 1849082, 10169951, 20339902]

約数ペア:

[(1, 20339902), (2, 10169951), (11, 1849082), (22, 924541), (443, 45914), (886, 22957), (2087, 9746), (4174, 4873)]