20531563

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 23810976

約数和(自身を除く): 3279413

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1523, 13481, 19799, 25891, 92903, 336583, 1207739, 1579351, 20531563]

約数ペア:

[(1, 20531563), (13, 1579351), (17, 1207739), (61, 336583), (221, 92903), (793, 25891), (1037, 19799), (1523, 13481)]