20716090

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{2029}}^1$

素因数の和:3057

約数の個数: 16

約数和(自身を含む): 37343880

約数和(自身を除く): 16627790

約数列:

[1, 2, 5, 10, 1021, 2029, 2042, 4058, 5105, 10145, 10210, 20290, 2071609, 4143218, 10358045, 20716090]

約数ペア:

[(1, 20716090), (2, 10358045), (5, 4143218), (10, 2071609), (1021, 20290), (2029, 10210), (2042, 10145), (4058, 5105)]