19998840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166657}}^1$

素因数の和:166671

約数の個数: 32

約数和(自身を含む): 59996880

約数和(自身を除く): 39998040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166657, 333314, 499971, 666628, 833285, 999942, 1333256, 1666570, 1999884, 2499855, 3333140, 3999768, 4999710, 6666280, 9999420, 19998840]

約数ペア:

[(1, 19998840), (2, 9999420), (3, 6666280), (4, 4999710), (5, 3999768), (6, 3333140), (8, 2499855), (10, 1999884), (12, 1666570), (15, 1333256), (20, 999942), (24, 833285), (30, 666628), (40, 499971), (60, 333314), (120, 166657)]