20979185

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 26061312

約数和(自身を除く): 5082127

約数列:

[1, 5, 37, 151, 185, 751, 755, 3755, 5587, 27787, 27935, 113401, 138935, 567005, 4195837, 20979185]

約数ペア:

[(1, 20979185), (5, 4195837), (37, 567005), (151, 138935), (185, 113401), (751, 27935), (755, 27787), (3755, 5587)]