20977152

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{1951}}^1$

素因数の和:1979

約数の個数: 80

約数和(自身を含む): 63900672

約数和(自身を除く): 42923520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 1951, 2688, 3584, 3902, 5376, 5853, 7804, 10752, 11706, 13657, 15608, 23412, 27314, 31216, 40971, 46824, 54628, 62432, 81942, 93648, 109256, 124864, 163884, 187296, 218512, 249728, 327768, 374592, 437024, 499456, 655536, 749184, 874048, 998912, 1311072, 1498368, 1748096, 2622144, 2996736, 3496192, 5244288, 6992384, 10488576, 20977152]

約数ペア:

[(1, 20977152), (2, 10488576), (3, 6992384), (4, 5244288), (6, 3496192), (7, 2996736), (8, 2622144), (12, 1748096), (14, 1498368), (16, 1311072), (21, 998912), (24, 874048), (28, 749184), (32, 655536), (42, 499456), (48, 437024), (56, 374592), (64, 327768), (84, 249728), (96, 218512), (112, 187296), (128, 163884), (168, 124864), (192, 109256), (224, 93648), (256, 81942), (336, 62432), (384, 54628), (448, 46824), (512, 40971), (672, 31216), (768, 27314), (896, 23412), (1344, 15608), (1536, 13657), (1792, 11706), (1951, 10752), (2688, 7804), (3584, 5853), (3902, 5376)]