20699184

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 38225616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 197, 199, 264, 394, 398, 528, 591, 597, 788, 796, 1182, 1194, 1576, 1592, 2167, 2189, 2364, 2388, 3152, 3184, 4334, 4378, 4728, 4776, 6501, 6567, 8668, 8756, 9456, 9552, 13002, 13134, 17336, 17512, 26004, 26268, 34672, 35024, 39203, 52008, 52536, 78406, 104016, 105072, 117609, 156812, 235218, 313624, 431233, 470436, 627248, 862466, 940872, 1293699, 1724932, 1881744, 2587398, 3449864, 5174796, 6899728, 10349592, 20699184]

約数ペア:

[(1, 20699184), (2, 10349592), (3, 6899728), (4, 5174796), (6, 3449864), (8, 2587398), (11, 1881744), (12, 1724932), (16, 1293699), (22, 940872), (24, 862466), (33, 627248), (44, 470436), (48, 431233), (66, 313624), (88, 235218), (132, 156812), (176, 117609), (197, 105072), (199, 104016), (264, 78406), (394, 52536), (398, 52008), (528, 39203), (591, 35024), (597, 34672), (788, 26268), (796, 26004), (1182, 17512), (1194, 17336), (1576, 13134), (1592, 13002), (2167, 9552), (2189, 9456), (2364, 8756), (2388, 8668), (3152, 6567), (3184, 6501), (4334, 4776), (4378, 4728)]