20184689

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 23986176

約数和(自身を除く): 3801487

約数列:

[1, 7, 31, 191, 217, 487, 1337, 3409, 5921, 15097, 41447, 93017, 105679, 651119, 2883527, 20184689]

約数ペア:

[(1, 20184689), (7, 2883527), (31, 651119), (191, 105679), (217, 93017), (487, 41447), (1337, 15097), (3409, 5921)]