20533528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135089}}^1$

素因数の和:135114

約数の個数: 16

約数和(自身を含む): 40527000

約数和(自身を除く): 19993472

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135089, 270178, 540356, 1080712, 2566691, 5133382, 10266764, 20533528]

約数ペア:

[(1, 20533528), (2, 10266764), (4, 5133382), (8, 2566691), (19, 1080712), (38, 540356), (76, 270178), (152, 135089)]