20689359408

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{559051}}^1$

素因数の和:559322

約数の個数: 60

約数和(自身を含む): 58126872648

約数和(自身を除く): 37437513240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 514, 771, 1028, 1542, 2056, 2313, 3084, 4112, 4626, 6168, 9252, 12336, 18504, 37008, 559051, 1118102, 1677153, 2236204, 3354306, 4472408, 5031459, 6708612, 8944816, 10062918, 13417224, 20125836, 26834448, 40251672, 80503344, 143676107, 287352214, 431028321, 574704428, 862056642, 1149408856, 1293084963, 1724113284, 2298817712, 2586169926, 3448226568, 5172339852, 6896453136, 10344679704, 20689359408]

約数ペア:

[(1, 20689359408), (2, 10344679704), (3, 6896453136), (4, 5172339852), (6, 3448226568), (8, 2586169926), (9, 2298817712), (12, 1724113284), (16, 1293084963), (18, 1149408856), (24, 862056642), (36, 574704428), (48, 431028321), (72, 287352214), (144, 143676107), (257, 80503344), (514, 40251672), (771, 26834448), (1028, 20125836), (1542, 13417224), (2056, 10062918), (2313, 8944816), (3084, 6708612), (4112, 5031459), (4626, 4472408), (6168, 3354306), (9252, 2236204), (12336, 1677153), (18504, 1118102), (37008, 559051)]