20380864

素因数分解:

$2^6\times 7^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 84

約数和(自身を含む): 48240696

約数和(自身を除く): 27859832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 97, 98, 112, 134, 194, 196, 224, 268, 388, 392, 448, 469, 536, 679, 776, 784, 938, 1072, 1358, 1552, 1568, 1876, 2144, 2716, 3104, 3136, 3283, 3752, 4288, 4753, 5432, 6208, 6499, 6566, 7504, 9506, 10864, 12998, 13132, 15008, 19012, 21728, 25996, 26264, 30016, 38024, 43456, 45493, 51992, 52528, 76048, 90986, 103984, 105056, 152096, 181972, 207968, 210112, 304192, 318451, 363944, 415936, 636902, 727888, 1273804, 1455776, 2547608, 2911552, 5095216, 10190432, 20380864]

約数ペア:

[(1, 20380864), (2, 10190432), (4, 5095216), (7, 2911552), (8, 2547608), (14, 1455776), (16, 1273804), (28, 727888), (32, 636902), (49, 415936), (56, 363944), (64, 318451), (67, 304192), (97, 210112), (98, 207968), (112, 181972), (134, 152096), (194, 105056), (196, 103984), (224, 90986), (268, 76048), (388, 52528), (392, 51992), (448, 45493), (469, 43456), (536, 38024), (679, 30016), (776, 26264), (784, 25996), (938, 21728), (1072, 19012), (1358, 15008), (1552, 13132), (1568, 12998), (1876, 10864), (2144, 9506), (2716, 7504), (3104, 6566), (3136, 6499), (3283, 6208), (3752, 5432), (4288, 4753)]