20565166

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1481}}^1$

素因数の和:1667

約数の個数: 16

約数和(自身を含む): 31691088

約数和(自身を除く): 11125922

約数列:

[1, 2, 53, 106, 131, 262, 1481, 2962, 6943, 13886, 78493, 156986, 194011, 388022, 10282583, 20565166]

約数ペア:

[(1, 20565166), (2, 10282583), (53, 388022), (106, 194011), (131, 156986), (262, 78493), (1481, 13886), (2962, 6943)]