19992120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166601}}^1$

素因数の和:166615

約数の個数: 32

約数和(自身を含む): 59976720

約数和(自身を除く): 39984600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166601, 333202, 499803, 666404, 833005, 999606, 1332808, 1666010, 1999212, 2499015, 3332020, 3998424, 4998030, 6664040, 9996060, 19992120]

約数ペア:

[(1, 19992120), (2, 9996060), (3, 6664040), (4, 4998030), (5, 3998424), (6, 3332020), (8, 2499015), (10, 1999212), (12, 1666010), (15, 1332808), (20, 999606), (24, 833005), (30, 666404), (40, 499803), (60, 333202), (120, 166601)]