20480510

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3931}}^1$

素因数の和:4459

約数の個数: 16

約数和(自身を含む): 36945072

約数和(自身を除く): 16464562

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 3931, 5210, 7862, 19655, 39310, 2048051, 4096102, 10240255, 20480510]

約数ペア:

[(1, 20480510), (2, 10240255), (5, 4096102), (10, 2048051), (521, 39310), (1042, 19655), (2605, 7862), (3931, 5210)]