20403780848

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10539143}}^1$

素因数の和:10539173

約数の個数: 30

約数和(自身を含む): 43452890712

約数和(自身を除く): 23049109864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10539143, 21078286, 42156572, 84313144, 115930573, 168626288, 231861146, 463722292, 927444584, 1275236303, 1854889168, 2550472606, 5100945212, 10201890424, 20403780848]

約数ペア:

[(1, 20403780848), (2, 10201890424), (4, 5100945212), (8, 2550472606), (11, 1854889168), (16, 1275236303), (22, 927444584), (44, 463722292), (88, 231861146), (121, 168626288), (176, 115930573), (242, 84313144), (484, 42156572), (968, 21078286), (1936, 10539143)]