20289702950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{997037}}^1$

素因数の和:997097

約数の個数: 48

約数和(自身を含む): 42282387504

約数和(自身を除く): 21992684554

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, 997037, 1994074, 4985185, 9970370, 10967407, 21934814, 24925925, 36890369, 49851850, 54837035, 73780738, 109674070, 184451845, 274185175, 368903690, 405794059, 548370350, 811588118, 922259225, 1844518450, 2028970295, 4057940590, 10144851475, 20289702950]

約数ペア:

[(1, 20289702950), (2, 10144851475), (5, 4057940590), (10, 2028970295), (11, 1844518450), (22, 922259225), (25, 811588118), (37, 548370350), (50, 405794059), (55, 368903690), (74, 274185175), (110, 184451845), (185, 109674070), (275, 73780738), (370, 54837035), (407, 49851850), (550, 36890369), (814, 24925925), (925, 21934814), (1850, 10967407), (2035, 9970370), (4070, 4985185), (10175, 1994074), (20350, 997037)]