22020520

素因数分解:

$2^3\times 5^1\times {\mathrm{550513}}^1$

素因数の和:550524

約数の個数: 16

約数和(自身を含む): 49546260

約数和(自身を除く): 27525740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 550513, 1101026, 2202052, 2752565, 4404104, 5505130, 11010260, 22020520]

約数ペア:

[(1, 22020520), (2, 11010260), (4, 5505130), (5, 4404104), (8, 2752565), (10, 2202052), (20, 1101026), (40, 550513)]