20163890241

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{451609}}^1$

素因数の和:451678

約数の個数: 36

約数和(自身を含む): 32795014980

約数和(自身を除く): 12631124739

約数列:

[1, 3, 9, 11, 33, 41, 99, 121, 123, 363, 369, 451, 1089, 1353, 4059, 4961, 14883, 44649, 451609, 1354827, 4064481, 4967699, 14903097, 18515969, 44709291, 54644689, 55547907, 163934067, 166643721, 203675659, 491802201, 611026977, 1833080931, 2240432249, 6721296747, 20163890241]

約数ペア:

[(1, 20163890241), (3, 6721296747), (9, 2240432249), (11, 1833080931), (33, 611026977), (41, 491802201), (99, 203675659), (121, 166643721), (123, 163934067), (363, 55547907), (369, 54644689), (451, 44709291), (1089, 18515969), (1353, 14903097), (4059, 4967699), (4961, 4064481), (14883, 1354827), (44649, 451609)]