20056576

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:972

約数の個数: 40

約数和(自身を含む): 41050944

約数和(自身を除く): 20994368

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 911, 1376, 1822, 2752, 3644, 5504, 7288, 11008, 14576, 22016, 29152, 39173, 58304, 78346, 116608, 156692, 233216, 313384, 466432, 626768, 1253536, 2507072, 5014144, 10028288, 20056576]

約数ペア:

[(1, 20056576), (2, 10028288), (4, 5014144), (8, 2507072), (16, 1253536), (32, 626768), (43, 466432), (64, 313384), (86, 233216), (128, 156692), (172, 116608), (256, 78346), (344, 58304), (512, 39173), (688, 29152), (911, 22016), (1376, 14576), (1822, 11008), (2752, 7288), (3644, 5504)]