20733427

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 25824960

約数和(自身を除く): 5091533

約数列:

[1, 11, 13, 19, 143, 169, 209, 247, 587, 1859, 2717, 3211, 6457, 7631, 11153, 35321, 83941, 99203, 122683, 144989, 1091233, 1594879, 1884857, 20733427]

約数ペア:

[(1, 20733427), (11, 1884857), (13, 1594879), (19, 1091233), (143, 144989), (169, 122683), (209, 99203), (247, 83941), (587, 35321), (1859, 11153), (2717, 7631), (3211, 6457)]