20758936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{563}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 21879464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 419, 563, 838, 1126, 1676, 2252, 3352, 4504, 4609, 6193, 9218, 12386, 18436, 24772, 36872, 49544, 235897, 471794, 943588, 1887176, 2594867, 5189734, 10379468, 20758936]

約数ペア:

[(1, 20758936), (2, 10379468), (4, 5189734), (8, 2594867), (11, 1887176), (22, 943588), (44, 471794), (88, 235897), (419, 49544), (563, 36872), (838, 24772), (1126, 18436), (1676, 12386), (2252, 9218), (3352, 6193), (4504, 4609)]