20299444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41941}}^1$

素因数の和:41967

約数の個数: 18

約数和(自身を含む): 39048002

約数和(自身を除く): 18748558

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41941, 83882, 167764, 461351, 922702, 1845404, 5074861, 10149722, 20299444]

約数ペア:

[(1, 20299444), (2, 10149722), (4, 5074861), (11, 1845404), (22, 922702), (44, 461351), (121, 167764), (242, 83882), (484, 41941)]