20705217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18307}}^1$

素因数の和:18352

約数の個数: 16

約数和(自身を含む): 30757440

約数和(自身を除く): 10052223

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 18307, 54921, 237991, 530903, 713973, 1592709, 6901739, 20705217]

約数ペア:

[(1, 20705217), (3, 6901739), (13, 1592709), (29, 713973), (39, 530903), (87, 237991), (377, 54921), (1131, 18307)]