20581535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6737}}^1$

素因数の和:6802

約数の個数: 16

約数和(自身を含む): 27167616

約数和(自身を除く): 6586081

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6737, 33685, 87581, 316639, 437905, 1583195, 4116307, 20581535]

約数ペア:

[(1, 20581535), (5, 4116307), (13, 1583195), (47, 437905), (65, 316639), (235, 87581), (611, 33685), (3055, 6737)]