20103508

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{997}}^1$

素因数の和:1143

約数の個数: 18

約数和(自身を含む): 35719418

約数和(自身を除く): 15615910

約数列:

[1, 2, 4, 71, 142, 284, 997, 1994, 3988, 5041, 10082, 20164, 70787, 141574, 283148, 5025877, 10051754, 20103508]

約数ペア:

[(1, 20103508), (2, 10051754), (4, 5025877), (71, 283148), (142, 141574), (284, 70787), (997, 20164), (1994, 10082), (3988, 5041)]