20440300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4349}}^1$

素因数の和:4410

約数の個数: 36

約数和(自身を含む): 45309600

約数和(自身を除く): 24869300

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4349, 4700, 8698, 17396, 21745, 43490, 86980, 108725, 204403, 217450, 408806, 434900, 817612, 1022015, 2044030, 4088060, 5110075, 10220150, 20440300]

約数ペア:

[(1, 20440300), (2, 10220150), (4, 5110075), (5, 4088060), (10, 2044030), (20, 1022015), (25, 817612), (47, 434900), (50, 408806), (94, 217450), (100, 204403), (188, 108725), (235, 86980), (470, 43490), (940, 21745), (1175, 17396), (2350, 8698), (4349, 4700)]