20955648

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1977

約数の個数: 80

約数和(自身を含む): 63835200

約数和(自身を除く): 42879552

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, 1949, 2688, 3584, 3898, 5376, 5847, 7796, 10752, 11694, 13643, 15592, 23388, 27286, 31184, 40929, 46776, 54572, 62368, 81858, 93552, 109144, 124736, 163716, 187104, 218288, 249472, 327432, 374208, 436576, 498944, 654864, 748416, 873152, 997888, 1309728, 1496832, 1746304, 2619456, 2993664, 3492608, 5238912, 6985216, 10477824, 20955648]

約数ペア:

[(1, 20955648), (2, 10477824), (3, 6985216), (4, 5238912), (6, 3492608), (7, 2993664), (8, 2619456), (12, 1746304), (14, 1496832), (16, 1309728), (21, 997888), (24, 873152), (28, 748416), (32, 654864), (42, 498944), (48, 436576), (56, 374208), (64, 327432), (84, 249472), (96, 218288), (112, 187104), (128, 163716), (168, 124736), (192, 109144), (224, 93552), (256, 81858), (336, 62368), (384, 54572), (448, 46776), (512, 40929), (672, 31184), (768, 27286), (896, 23388), (1344, 15592), (1536, 13643), (1792, 11694), (1949, 10752), (2688, 7796), (3584, 5847), (3898, 5376)]