20813617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 23814144

約数和(自身を除く): 3000527

約数列:

[1, 11, 31, 67, 341, 737, 911, 2077, 10021, 22847, 28241, 61037, 310651, 671407, 1892147, 20813617]

約数ペア:

[(1, 20813617), (11, 1892147), (31, 671407), (67, 310651), (341, 61037), (737, 28241), (911, 22847), (2077, 10021)]