20201942290

素因数分解:

$2^1\times 5^1\times {\mathrm{2467}}^1\times {\mathrm{818887}}^1$

素因数の和:821361

約数の個数: 16

約数和(自身を含む): 36378280512

約数和(自身を除く): 16176338222

約数列:

[1, 2, 5, 10, 2467, 4934, 12335, 24670, 818887, 1637774, 4094435, 8188870, 2020194229, 4040388458, 10100971145, 20201942290]

約数ペア:

[(1, 20201942290), (2, 10100971145), (5, 4040388458), (10, 2020194229), (2467, 8188870), (4934, 4094435), (12335, 1637774), (24670, 818887)]