20805220796

素因数分解:

$2^2\times {\mathrm{1009}}^1\times {\mathrm{5154911}}^1$

素因数の和:5155924

約数の個数: 12

約数和(自身を含む): 36445227840

約数和(自身を除く): 15640007044

約数列:

[1, 2, 4, 1009, 2018, 4036, 5154911, 10309822, 20619644, 5201305199, 10402610398, 20805220796]

約数ペア:

[(1, 20805220796), (2, 10402610398), (4, 5201305199), (1009, 20619644), (2018, 10309822), (4036, 5154911)]