20216576

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 40691952

約数和(自身を除く): 20475376

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 503, 628, 1006, 1256, 2012, 2512, 4024, 5024, 8048, 10048, 16096, 20096, 32192, 40192, 64384, 78971, 128768, 157942, 315884, 631768, 1263536, 2527072, 5054144, 10108288, 20216576]

約数ペア:

[(1, 20216576), (2, 10108288), (4, 5054144), (8, 2527072), (16, 1263536), (32, 631768), (64, 315884), (128, 157942), (157, 128768), (256, 78971), (314, 64384), (503, 40192), (628, 32192), (1006, 20096), (1256, 16096), (2012, 10048), (2512, 8048), (4024, 5024)]