20685353

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 22974336

約数和(自身を除く): 2288983

約数列:

[1, 13, 71, 73, 307, 923, 949, 3991, 5183, 21797, 22411, 67379, 283361, 291343, 1591181, 20685353]

約数ペア:

[(1, 20685353), (13, 1591181), (71, 291343), (73, 283361), (307, 67379), (923, 22411), (949, 21797), (3991, 5183)]