20772496

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 42925824

約数和(自身を除く): 22153328

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1081, 1201, 2162, 2402, 4324, 4804, 8648, 9608, 17296, 19216, 27623, 55246, 56447, 110492, 112894, 220984, 225788, 441968, 451576, 903152, 1298281, 2596562, 5193124, 10386248, 20772496]

約数ペア:

[(1, 20772496), (2, 10386248), (4, 5193124), (8, 2596562), (16, 1298281), (23, 903152), (46, 451576), (47, 441968), (92, 225788), (94, 220984), (184, 112894), (188, 110492), (368, 56447), (376, 55246), (752, 27623), (1081, 19216), (1201, 17296), (2162, 9608), (2402, 8648), (4324, 4804)]