20024320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3911}}^1$

素因数の和:3936

約数の個数: 44

約数和(自身を含む): 48047184

約数和(自身を除く): 28022864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3911, 5120, 7822, 15644, 19555, 31288, 39110, 62576, 78220, 125152, 156440, 250304, 312880, 500608, 625760, 1001216, 1251520, 2002432, 2503040, 4004864, 5006080, 10012160, 20024320]

約数ペア:

[(1, 20024320), (2, 10012160), (4, 5006080), (5, 4004864), (8, 2503040), (10, 2002432), (16, 1251520), (20, 1001216), (32, 625760), (40, 500608), (64, 312880), (80, 250304), (128, 156440), (160, 125152), (256, 78220), (320, 62576), (512, 39110), (640, 31288), (1024, 19555), (1280, 15644), (2560, 7822), (3911, 5120)]