20145200

素因数分解:

$2^4\times 5^2\times {\mathrm{50363}}^1$

素因数の和:50381

約数の個数: 30

約数和(自身を含む): 48399804

約数和(自身を除く): 28254604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50363, 100726, 201452, 251815, 402904, 503630, 805808, 1007260, 1259075, 2014520, 2518150, 4029040, 5036300, 10072600, 20145200]

約数ペア:

[(1, 20145200), (2, 10072600), (4, 5036300), (5, 4029040), (8, 2518150), (10, 2014520), (16, 1259075), (20, 1007260), (25, 805808), (40, 503630), (50, 402904), (80, 251815), (100, 201452), (200, 100726), (400, 50363)]