20392100

素因数分解:

$2^2\times 5^2\times {\mathrm{203921}}^1$

素因数の和:203935

約数の個数: 18

約数和(自身を含む): 44251074

約数和(自身を除く): 23858974

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 203921, 407842, 815684, 1019605, 2039210, 4078420, 5098025, 10196050, 20392100]

約数ペア:

[(1, 20392100), (2, 10196050), (4, 5098025), (5, 4078420), (10, 2039210), (20, 1019605), (25, 815684), (50, 407842), (100, 203921)]