20148586

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1451}}^1$

素因数の和:1637

約数の個数: 16

約数和(自身を含む): 31049568

約数和(自身を除く): 10900982

約数列:

[1, 2, 53, 106, 131, 262, 1451, 2902, 6943, 13886, 76903, 153806, 190081, 380162, 10074293, 20148586]

約数ペア:

[(1, 20148586), (2, 10074293), (53, 380162), (106, 190081), (131, 153806), (262, 76903), (1451, 13886), (2902, 6943)]