20299400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9227}}^1$

素因数の和:9254

約数の個数: 48

約数和(自身を含む): 51492240

約数和(自身を除く): 31192840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9227, 18454, 36908, 46135, 73816, 92270, 101497, 184540, 202994, 230675, 369080, 405988, 461350, 507485, 811976, 922700, 1014970, 1845400, 2029940, 2537425, 4059880, 5074850, 10149700, 20299400]

約数ペア:

[(1, 20299400), (2, 10149700), (4, 5074850), (5, 4059880), (8, 2537425), (10, 2029940), (11, 1845400), (20, 1014970), (22, 922700), (25, 811976), (40, 507485), (44, 461350), (50, 405988), (55, 369080), (88, 230675), (100, 202994), (110, 184540), (200, 101497), (220, 92270), (275, 73816), (440, 46135), (550, 36908), (1100, 18454), (2200, 9227)]