20287850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36887}}^1$

素因数の和:36910

約数の個数: 24

約数和(自身を含む): 41167008

約数和(自身を除く): 20879158

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 36887, 73774, 184435, 368870, 405757, 811514, 922175, 1844350, 2028785, 4057570, 10143925, 20287850]

約数ペア:

[(1, 20287850), (2, 10143925), (5, 4057570), (10, 2028785), (11, 1844350), (22, 922175), (25, 811514), (50, 405757), (55, 368870), (110, 184435), (275, 73774), (550, 36887)]