20086160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5839}}^1$

素因数の和:5895

約数の個数: 40

約数和(自身を含む): 47794560

約数和(自身を除く): 27708400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5839, 11678, 23356, 29195, 46712, 58390, 93424, 116780, 233560, 251077, 467120, 502154, 1004308, 1255385, 2008616, 2510770, 4017232, 5021540, 10043080, 20086160]

約数ペア:

[(1, 20086160), (2, 10043080), (4, 5021540), (5, 4017232), (8, 2510770), (10, 2008616), (16, 1255385), (20, 1004308), (40, 502154), (43, 467120), (80, 251077), (86, 233560), (172, 116780), (215, 93424), (344, 58390), (430, 46712), (688, 29195), (860, 23356), (1720, 11678), (3440, 5839)]