20880260

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3769}}^1$

素因数の和:4055

約数の個数: 24

約数和(自身を含む): 44018520

約数和(自身を除く): 23138260

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3769, 5540, 7538, 15076, 18845, 37690, 75380, 1044013, 2088026, 4176052, 5220065, 10440130, 20880260]

約数ペア:

[(1, 20880260), (2, 10440130), (4, 5220065), (5, 4176052), (10, 2088026), (20, 1044013), (277, 75380), (554, 37690), (1108, 18845), (1385, 15076), (2770, 7538), (3769, 5540)]