20739072

素因数分解:

$2^{10}\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 88

約数和(自身を含む): 56922976

約数和(自身を除く): 36183904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 157, 172, 192, 256, 258, 314, 344, 384, 471, 512, 516, 628, 688, 768, 942, 1024, 1032, 1256, 1376, 1536, 1884, 2064, 2512, 2752, 3072, 3768, 4128, 5024, 5504, 6751, 7536, 8256, 10048, 11008, 13502, 15072, 16512, 20096, 20253, 22016, 27004, 30144, 33024, 40192, 40506, 44032, 54008, 60288, 66048, 80384, 81012, 108016, 120576, 132096, 160768, 162024, 216032, 241152, 324048, 432064, 482304, 648096, 864128, 1296192, 1728256, 2592384, 3456512, 5184768, 6913024, 10369536, 20739072]

約数ペア:

[(1, 20739072), (2, 10369536), (3, 6913024), (4, 5184768), (6, 3456512), (8, 2592384), (12, 1728256), (16, 1296192), (24, 864128), (32, 648096), (43, 482304), (48, 432064), (64, 324048), (86, 241152), (96, 216032), (128, 162024), (129, 160768), (157, 132096), (172, 120576), (192, 108016), (256, 81012), (258, 80384), (314, 66048), (344, 60288), (384, 54008), (471, 44032), (512, 40506), (516, 40192), (628, 33024), (688, 30144), (768, 27004), (942, 22016), (1024, 20253), (1032, 20096), (1256, 16512), (1376, 15072), (1536, 13502), (1884, 11008), (2064, 10048), (2512, 8256), (2752, 7536), (3072, 6751), (3768, 5504), (4128, 5024)]