20985514

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{5101}}^1$

素因数の和:5142

約数の個数: 24

約数和(自身を含む): 36642564

約数和(自身を除く): 15657050

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 2057, 4114, 5101, 10202, 56111, 86717, 112222, 173434, 617221, 953887, 1234442, 1907774, 10492757, 20985514]

約数ペア:

[(1, 20985514), (2, 10492757), (11, 1907774), (17, 1234442), (22, 953887), (34, 617221), (121, 173434), (187, 112222), (242, 86717), (374, 56111), (2057, 10202), (4114, 5101)]