20448218

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76873}}^1$

素因数の和:76901

約数の個数: 16

約数和(自身を含む): 36899520

約数和(自身を除く): 16451302

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 76873, 153746, 538111, 1076222, 1460587, 2921174, 10224109, 20448218]

約数ペア:

[(1, 20448218), (2, 10224109), (7, 2921174), (14, 1460587), (19, 1076222), (38, 538111), (133, 153746), (266, 76873)]