20560900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5557}}^1$

素因数の和:5608

約数の個数: 36

約数和(自身を含む): 45831268

約数和(自身を除く): 25270368

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5557, 11114, 22228, 27785, 55570, 111140, 138925, 205609, 277850, 411218, 555700, 822436, 1028045, 2056090, 4112180, 5140225, 10280450, 20560900]

約数ペア:

[(1, 20560900), (2, 10280450), (4, 5140225), (5, 4112180), (10, 2056090), (20, 1028045), (25, 822436), (37, 555700), (50, 411218), (74, 277850), (100, 205609), (148, 138925), (185, 111140), (370, 55570), (740, 27785), (925, 22228), (1850, 11114), (3700, 5557)]