20947008

素因数分解:

$2^6\times 3^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1475

約数の個数: 56

約数和(自身を含む): 56164480

約数和(自身を除く): 35217472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 158, 192, 237, 316, 474, 632, 948, 1264, 1381, 1896, 2528, 2762, 3792, 4143, 5056, 5524, 7584, 8286, 11048, 15168, 16572, 22096, 33144, 44192, 66288, 88384, 109099, 132576, 218198, 265152, 327297, 436396, 654594, 872792, 1309188, 1745584, 2618376, 3491168, 5236752, 6982336, 10473504, 20947008]

約数ペア:

[(1, 20947008), (2, 10473504), (3, 6982336), (4, 5236752), (6, 3491168), (8, 2618376), (12, 1745584), (16, 1309188), (24, 872792), (32, 654594), (48, 436396), (64, 327297), (79, 265152), (96, 218198), (158, 132576), (192, 109099), (237, 88384), (316, 66288), (474, 44192), (632, 33144), (948, 22096), (1264, 16572), (1381, 15168), (1896, 11048), (2528, 8286), (2762, 7584), (3792, 5524), (4143, 5056)]