20401472021

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{47778623}}^1$

素因数の和:47778691

約数の個数: 8

約数和(自身を含む): 23698197504

約数和(自身を除く): 3296725483

約数列:

[1, 7, 61, 427, 47778623, 334450361, 2914496003, 20401472021]

約数ペア:

[(1, 20401472021), (7, 2914496003), (61, 334450361), (427, 47778623)]