20419275107

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{7237}}^1\times {\mathrm{36643}}^1$

素因数の和:43898

約数の個数: 16

約数和(自身を含む): 25462010112

約数和(自身を除く): 5042735005

約数列:

[1, 7, 11, 77, 7237, 36643, 50659, 79607, 256501, 403073, 557249, 2821511, 265185391, 1856297737, 2917039301, 20419275107]

約数ペア:

[(1, 20419275107), (7, 2917039301), (11, 1856297737), (77, 265185391), (7237, 2821511), (36643, 557249), (50659, 403073), (79607, 256501)]