20795800

素因数分解:

$2^3\times 5^2\times {\mathrm{103979}}^1$

素因数の和:103995

約数の個数: 24

約数和(自身を含む): 48350700

約数和(自身を除く): 27554900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 103979, 207958, 415916, 519895, 831832, 1039790, 2079580, 2599475, 4159160, 5198950, 10397900, 20795800]

約数ペア:

[(1, 20795800), (2, 10397900), (4, 5198950), (5, 4159160), (8, 2599475), (10, 2079580), (20, 1039790), (25, 831832), (40, 519895), (50, 415916), (100, 207958), (200, 103979)]