20618950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37489}}^1$

素因数の和:37512

約数の個数: 24

約数和(自身を含む): 41838840

約数和(自身を除く): 21219890

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37489, 74978, 187445, 374890, 412379, 824758, 937225, 1874450, 2061895, 4123790, 10309475, 20618950]

約数ペア:

[(1, 20618950), (2, 10309475), (5, 4123790), (10, 2061895), (11, 1874450), (22, 937225), (25, 824758), (50, 412379), (55, 374890), (110, 187445), (275, 74978), (550, 37489)]