20023951321

素因数分解:

${\mathrm{11}}^3\times {\mathrm{2011}}^1\times {\mathrm{7481}}^1$

素因数の和:9525

約数の個数: 16

約数和(自身を含む): 22038739776

約数和(自身を除く): 2014788455

約数列:

[1, 11, 121, 1331, 2011, 7481, 22121, 82291, 243331, 905201, 2676641, 9957211, 15044291, 165487201, 1820359211, 20023951321]

約数ペア:

[(1, 20023951321), (11, 1820359211), (121, 165487201), (1331, 15044291), (2011, 9957211), (7481, 2676641), (22121, 905201), (82291, 243331)]