20350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:60

約数の個数: 24

約数和(自身を含む): 42408

約数和(自身を除く): 22058

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 925, 1850, 2035, 4070, 10175, 20350]

約数ペア:

[(1, 20350), (2, 10175), (5, 4070), (10, 2035), (11, 1850), (22, 925), (25, 814), (37, 550), (50, 407), (55, 370), (74, 275), (110, 185)]