20411200

素因数分解:

$2^6\times 5^2\times {\mathrm{12757}}^1$

素因数の和:12779

約数の個数: 42

約数和(自身を含む): 50228246

約数和(自身を除く): 29817046

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12757, 25514, 51028, 63785, 102056, 127570, 204112, 255140, 318925, 408224, 510280, 637850, 816448, 1020560, 1275700, 2041120, 2551400, 4082240, 5102800, 10205600, 20411200]

約数ペア:

[(1, 20411200), (2, 10205600), (4, 5102800), (5, 4082240), (8, 2551400), (10, 2041120), (16, 1275700), (20, 1020560), (25, 816448), (32, 637850), (40, 510280), (50, 408224), (64, 318925), (80, 255140), (100, 204112), (160, 127570), (200, 102056), (320, 63785), (400, 51028), (800, 25514), (1600, 12757)]