2051206185584

素因数分解:

$2^4\times {\mathrm{10009}}^1\times {\mathrm{12808511}}^1$

素因数の和:12818528

約数の個数: 20

約数和(自身を含む): 3974609358720

約数和(自身を除く): 1923403173136

約数列:

[1, 2, 4, 8, 16, 10009, 20018, 40036, 80072, 160144, 12808511, 25617022, 51234044, 102468088, 204936176, 128200386599, 256400773198, 512801546396, 1025603092792, 2051206185584]

約数ペア:

[(1, 2051206185584), (2, 1025603092792), (4, 512801546396), (8, 256400773198), (16, 128200386599), (10009, 204936176), (20018, 102468088), (40036, 51234044), (80072, 25617022), (160144, 12808511)]