20956733

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2972

約数の個数: 16

約数和(自身を含む): 25784064

約数和(自身を除く): 4827331

約数列:

[1, 7, 17, 61, 119, 427, 1037, 2887, 7259, 20209, 49079, 176107, 343553, 1232749, 2993819, 20956733]

約数ペア:

[(1, 20956733), (7, 2993819), (17, 1232749), (61, 343553), (119, 176107), (427, 49079), (1037, 20209), (2887, 7259)]