20859648

素因数分解:

$2^8\times 3^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 56193648

約数和(自身を除く): 35334000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 173, 192, 256, 314, 346, 384, 471, 519, 628, 692, 768, 942, 1038, 1256, 1384, 1884, 2076, 2512, 2768, 3768, 4152, 5024, 5536, 7536, 8304, 10048, 11072, 15072, 16608, 20096, 22144, 27161, 30144, 33216, 40192, 44288, 54322, 60288, 66432, 81483, 108644, 120576, 132864, 162966, 217288, 325932, 434576, 651864, 869152, 1303728, 1738304, 2607456, 3476608, 5214912, 6953216, 10429824, 20859648]

約数ペア:

[(1, 20859648), (2, 10429824), (3, 6953216), (4, 5214912), (6, 3476608), (8, 2607456), (12, 1738304), (16, 1303728), (24, 869152), (32, 651864), (48, 434576), (64, 325932), (96, 217288), (128, 162966), (157, 132864), (173, 120576), (192, 108644), (256, 81483), (314, 66432), (346, 60288), (384, 54322), (471, 44288), (519, 40192), (628, 33216), (692, 30144), (768, 27161), (942, 22144), (1038, 20096), (1256, 16608), (1384, 15072), (1884, 11072), (2076, 10048), (2512, 8304), (2768, 7536), (3768, 5536), (4152, 5024)]