20171536

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2339}}^1$

素因数の和:2372

約数の個数: 60

約数和(自身を含む): 49617360

約数和(自身を除く): 29445824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2339, 4312, 4678, 8624, 9356, 16373, 18712, 25729, 32746, 37424, 51458, 65492, 102916, 114611, 130984, 180103, 205832, 229222, 261968, 360206, 411664, 458444, 720412, 916888, 1260721, 1440824, 1833776, 2521442, 2881648, 5042884, 10085768, 20171536]

約数ペア:

[(1, 20171536), (2, 10085768), (4, 5042884), (7, 2881648), (8, 2521442), (11, 1833776), (14, 1440824), (16, 1260721), (22, 916888), (28, 720412), (44, 458444), (49, 411664), (56, 360206), (77, 261968), (88, 229222), (98, 205832), (112, 180103), (154, 130984), (176, 114611), (196, 102916), (308, 65492), (392, 51458), (539, 37424), (616, 32746), (784, 25729), (1078, 18712), (1232, 16373), (2156, 9356), (2339, 8624), (4312, 4678)]