20804200

素因数分解:

$2^3\times 5^2\times {\mathrm{104021}}^1$

素因数の和:104037

約数の個数: 24

約数和(自身を含む): 48370230

約数和(自身を除く): 27566030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104021, 208042, 416084, 520105, 832168, 1040210, 2080420, 2600525, 4160840, 5201050, 10402100, 20804200]

約数ペア:

[(1, 20804200), (2, 10402100), (4, 5201050), (5, 4160840), (8, 2600525), (10, 2080420), (20, 1040210), (25, 832168), (40, 520105), (50, 416084), (100, 208042), (200, 104021)]