20137160

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1051}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 45446400

約数和(自身を除く): 25309240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1051, 1916, 2102, 2395, 3832, 4204, 4790, 5255, 8408, 9580, 10510, 19160, 21020, 42040, 503429, 1006858, 2013716, 2517145, 4027432, 5034290, 10068580, 20137160]

約数ペア:

[(1, 20137160), (2, 10068580), (4, 5034290), (5, 4027432), (8, 2517145), (10, 2013716), (20, 1006858), (40, 503429), (479, 42040), (958, 21020), (1051, 19160), (1916, 10510), (2102, 9580), (2395, 8408), (3832, 5255), (4204, 4790)]