20455900

素因数分解:

$2^2\times 5^2\times {\mathrm{337}}^1\times {\mathrm{607}}^1$

素因数の和:958

約数の個数: 36

約数和(自身を含む): 44594368

約数和(自身を除く): 24138468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 337, 607, 674, 1214, 1348, 1685, 2428, 3035, 3370, 6070, 6740, 8425, 12140, 15175, 16850, 30350, 33700, 60700, 204559, 409118, 818236, 1022795, 2045590, 4091180, 5113975, 10227950, 20455900]

約数ペア:

[(1, 20455900), (2, 10227950), (4, 5113975), (5, 4091180), (10, 2045590), (20, 1022795), (25, 818236), (50, 409118), (100, 204559), (337, 60700), (607, 33700), (674, 30350), (1214, 16850), (1348, 15175), (1685, 12140), (2428, 8425), (3035, 6740), (3370, 6070)]