20213826052

素因数分解:

$2^2\times 7^1\times {\mathrm{721922359}}^1$

素因数の和:721922370

約数の個数: 12

約数和(自身を含む): 40427652160

約数和(自身を除く): 20213826108

約数列:

[1, 2, 4, 7, 14, 28, 721922359, 1443844718, 2887689436, 5053456513, 10106913026, 20213826052]

約数ペア:

[(1, 20213826052), (2, 10106913026), (4, 5053456513), (7, 2887689436), (14, 1443844718), (28, 721922359)]