20797994492

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{839}}^1\times {\mathrm{51217}}^1$

素因数の和:52082

約数の個数: 36

約数和(自身を含む): 40054524720

約数和(自身を除く): 19256530228

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 839, 1678, 3356, 9229, 18458, 36916, 51217, 101519, 102434, 203038, 204868, 406076, 563387, 1126774, 2253548, 6197257, 12394514, 24789028, 42971063, 85942126, 171884252, 472681693, 945363386, 1890726772, 5199498623, 10398997246, 20797994492]

約数ペア:

[(1, 20797994492), (2, 10398997246), (4, 5199498623), (11, 1890726772), (22, 945363386), (44, 472681693), (121, 171884252), (242, 85942126), (484, 42971063), (839, 24789028), (1678, 12394514), (3356, 6197257), (9229, 2253548), (18458, 1126774), (36916, 563387), (51217, 406076), (101519, 204868), (102434, 203038)]