20802019912

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{4200731}}^1$

素因数の和:4201356

約数の個数: 16

約数和(自身を含む): 39066807600

約数和(自身を除く): 18264787688

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4952, 4200731, 8401462, 16802924, 33605848, 2600252489, 5200504978, 10401009956, 20802019912]

約数ペア:

[(1, 20802019912), (2, 10401009956), (4, 5200504978), (8, 2600252489), (619, 33605848), (1238, 16802924), (2476, 8401462), (4952, 4200731)]