20699186520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172493221}}^1$

素因数の和:172493235

約数の個数: 32

約数和(自身を含む): 62097559920

約数和(自身を除く): 41398373400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172493221, 344986442, 517479663, 689972884, 862466105, 1034959326, 1379945768, 1724932210, 2069918652, 2587398315, 3449864420, 4139837304, 5174796630, 6899728840, 10349593260, 20699186520]

約数ペア:

[(1, 20699186520), (2, 10349593260), (3, 6899728840), (4, 5174796630), (5, 4139837304), (6, 3449864420), (8, 2587398315), (10, 2069918652), (12, 1724932210), (15, 1379945768), (20, 1034959326), (24, 862466105), (30, 689972884), (40, 517479663), (60, 344986442), (120, 172493221)]