20812301

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 22923648

約数和(自身を除く): 2111347

約数列:

[1, 17, 43, 71, 401, 731, 1207, 3053, 6817, 17243, 28471, 51901, 293131, 484007, 1224253, 20812301]

約数ペア:

[(1, 20812301), (17, 1224253), (43, 484007), (71, 293131), (401, 51901), (731, 28471), (1207, 17243), (3053, 6817)]