20940720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87253}}^1$

素因数の和:87269

約数の個数: 40

約数和(自身を含む): 64916976

約数和(自身を除く): 43976256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87253, 174506, 261759, 349012, 436265, 523518, 698024, 872530, 1047036, 1308795, 1396048, 1745060, 2094072, 2617590, 3490120, 4188144, 5235180, 6980240, 10470360, 20940720]

約数ペア:

[(1, 20940720), (2, 10470360), (3, 6980240), (4, 5235180), (5, 4188144), (6, 3490120), (8, 2617590), (10, 2094072), (12, 1745060), (15, 1396048), (16, 1308795), (20, 1047036), (24, 872530), (30, 698024), (40, 523518), (48, 436265), (60, 349012), (80, 261759), (120, 174506), (240, 87253)]