20161494520

素因数分解:

$2^3\times 5^1\times {\mathrm{504037363}}^1$

素因数の和:504037374

約数の個数: 16

約数和(自身を含む): 45363362760

約数和(自身を除く): 25201868240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504037363, 1008074726, 2016149452, 2520186815, 4032298904, 5040373630, 10080747260, 20161494520]

約数ペア:

[(1, 20161494520), (2, 10080747260), (4, 5040373630), (5, 4032298904), (8, 2520186815), (10, 2016149452), (20, 1008074726), (40, 504037363)]