20800600

素因数分解:

$2^3\times 5^2\times {\mathrm{104003}}^1$

素因数の和:104019

約数の個数: 24

約数和(自身を含む): 48361860

約数和(自身を除く): 27561260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104003, 208006, 416012, 520015, 832024, 1040030, 2080060, 2600075, 4160120, 5200150, 10400300, 20800600]

約数ペア:

[(1, 20800600), (2, 10400300), (4, 5200150), (5, 4160120), (8, 2600075), (10, 2080060), (20, 1040030), (25, 832024), (40, 520015), (50, 416012), (100, 208006), (200, 104003)]