20928491003

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{17837}}^1\times {\mathrm{5407}}^1$

素因数の和:23282

約数の個数: 16

約数和(自身を含む): 24695783424

約数和(自身を除く): 3767292421

約数列:

[1, 7, 31, 217, 5407, 17837, 37849, 124859, 167617, 552947, 1173319, 3870629, 96444659, 675112613, 2989784429, 20928491003]

約数ペア:

[(1, 20928491003), (7, 2989784429), (31, 675112613), (217, 96444659), (5407, 3870629), (17837, 1173319), (37849, 552947), (124859, 167617)]