20395900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29137}}^1$

素因数の和:29158

約数の個数: 36

約数和(自身を含む): 50583568

約数和(自身を除く): 30187668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29137, 58274, 116548, 145685, 203959, 291370, 407918, 582740, 728425, 815836, 1019795, 1456850, 2039590, 2913700, 4079180, 5098975, 10197950, 20395900]

約数ペア:

[(1, 20395900), (2, 10197950), (4, 5098975), (5, 4079180), (7, 2913700), (10, 2039590), (14, 1456850), (20, 1019795), (25, 815836), (28, 728425), (35, 582740), (50, 407918), (70, 291370), (100, 203959), (140, 145685), (175, 116548), (350, 58274), (700, 29137)]