20972963

素因数分解:

${\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 23452416

約数和(自身を除く): 2479453

約数列:

[1, 11, 103, 107, 173, 1133, 1177, 1903, 11021, 17819, 18511, 121231, 196009, 203621, 1906633, 20972963]

約数ペア:

[(1, 20972963), (11, 1906633), (103, 203621), (107, 196009), (173, 121231), (1133, 18511), (1177, 17819), (1903, 11021)]