20574220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27803}}^1$

素因数の和:27849

約数の個数: 24

約数和(自身を含む): 44375184

約数和(自身を除く): 23800964

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27803, 55606, 111212, 139015, 278030, 556060, 1028711, 2057422, 4114844, 5143555, 10287110, 20574220]

約数ペア:

[(1, 20574220), (2, 10287110), (4, 5143555), (5, 4114844), (10, 2057422), (20, 1028711), (37, 556060), (74, 278030), (148, 139015), (185, 111212), (370, 55606), (740, 27803)]