20138708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 19657132

約数列:

[1, 2, 4, 19, 23, 38, 41, 46, 76, 82, 92, 164, 281, 437, 562, 779, 874, 943, 1124, 1558, 1748, 1886, 3116, 3772, 5339, 6463, 10678, 11521, 12926, 17917, 21356, 23042, 25852, 35834, 46084, 71668, 122797, 218899, 245594, 264983, 437798, 491188, 529966, 875596, 1059932, 5034677, 10069354, 20138708]

約数ペア:

[(1, 20138708), (2, 10069354), (4, 5034677), (19, 1059932), (23, 875596), (38, 529966), (41, 491188), (46, 437798), (76, 264983), (82, 245594), (92, 218899), (164, 122797), (281, 71668), (437, 46084), (562, 35834), (779, 25852), (874, 23042), (943, 21356), (1124, 17917), (1558, 12926), (1748, 11521), (1886, 10678), (3116, 6463), (3772, 5339)]