20123720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8527}}^1$

素因数の和:8597

約数の個数: 32

約数和(自身を含む): 46051200

約数和(自身を除く): 25927480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8527, 17054, 34108, 42635, 68216, 85270, 170540, 341080, 503093, 1006186, 2012372, 2515465, 4024744, 5030930, 10061860, 20123720]

約数ペア:

[(1, 20123720), (2, 10061860), (4, 5030930), (5, 4024744), (8, 2515465), (10, 2012372), (20, 1006186), (40, 503093), (59, 341080), (118, 170540), (236, 85270), (295, 68216), (472, 42635), (590, 34108), (1180, 17054), (2360, 8527)]