20176508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41687}}^1$

素因数の和:41713

約数の個数: 18

約数和(自身を含む): 38811528

約数和(自身を除く): 18635020

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41687, 83374, 166748, 458557, 917114, 1834228, 5044127, 10088254, 20176508]

約数ペア:

[(1, 20176508), (2, 10088254), (4, 5044127), (11, 1834228), (22, 917114), (44, 458557), (121, 166748), (242, 83374), (484, 41687)]