20550431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 3399649

約数列:

[1, 11, 23, 43, 253, 473, 989, 1889, 10879, 20779, 43447, 81227, 477917, 893497, 1868221, 20550431]

約数ペア:

[(1, 20550431), (11, 1868221), (23, 893497), (43, 477917), (253, 81227), (473, 43447), (989, 20779), (1889, 10879)]