20687672

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3877}}^1$

素因数の和:3935

約数の個数: 32

約数和(自身を含む): 41882400

約数和(自身を除く): 21194728

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 92, 116, 184, 232, 667, 1334, 2668, 3877, 5336, 7754, 15508, 31016, 89171, 112433, 178342, 224866, 356684, 449732, 713368, 899464, 2585959, 5171918, 10343836, 20687672]

約数ペア:

[(1, 20687672), (2, 10343836), (4, 5171918), (8, 2585959), (23, 899464), (29, 713368), (46, 449732), (58, 356684), (92, 224866), (116, 178342), (184, 112433), (232, 89171), (667, 31016), (1334, 15508), (2668, 7754), (3877, 5336)]