20625050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10061}}^1$

素因数の和:10114

約数の個数: 24

約数和(自身を含む): 39302172

約数和(自身を除く): 18677122

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10061, 20122, 50305, 100610, 251525, 412501, 503050, 825002, 2062505, 4125010, 10312525, 20625050]

約数ペア:

[(1, 20625050), (2, 10312525), (5, 4125010), (10, 2062505), (25, 825002), (41, 503050), (50, 412501), (82, 251525), (205, 100610), (410, 50305), (1025, 20122), (2050, 10061)]