20732803

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3121}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 25875136

約数和(自身を除く): 5142333

約数列:

[1, 7, 13, 73, 91, 511, 949, 3121, 6643, 21847, 40573, 227833, 284011, 1594831, 2961829, 20732803]

約数ペア:

[(1, 20732803), (7, 2961829), (13, 1594831), (73, 284011), (91, 227833), (511, 40573), (949, 21847), (3121, 6643)]