20257680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84407}}^1$

素因数の和:84423

約数の個数: 40

約数和(自身を含む): 62799552

約数和(自身を除く): 42541872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84407, 168814, 253221, 337628, 422035, 506442, 675256, 844070, 1012884, 1266105, 1350512, 1688140, 2025768, 2532210, 3376280, 4051536, 5064420, 6752560, 10128840, 20257680]

約数ペア:

[(1, 20257680), (2, 10128840), (3, 6752560), (4, 5064420), (5, 4051536), (6, 3376280), (8, 2532210), (10, 2025768), (12, 1688140), (15, 1350512), (16, 1266105), (20, 1012884), (24, 844070), (30, 675256), (40, 506442), (48, 422035), (60, 337628), (80, 253221), (120, 168814), (240, 84407)]