20970076

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{66361}}^1$

素因数の和:66444

約数の個数: 12

約数和(自身を含む): 37162720

約数和(自身を除く): 16192644

約数列:

[1, 2, 4, 79, 158, 316, 66361, 132722, 265444, 5242519, 10485038, 20970076]

約数ペア:

[(1, 20970076), (2, 10485038), (4, 5242519), (79, 265444), (158, 132722), (316, 66361)]