20355203

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 2558077

約数列:

[1, 11, 67, 71, 389, 737, 781, 4279, 4757, 26063, 27619, 52327, 286693, 303809, 1850473, 20355203]

約数ペア:

[(1, 20355203), (11, 1850473), (67, 303809), (71, 286693), (389, 52327), (737, 27619), (781, 26063), (4279, 4757)]