20520544

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 44600976

約数和(自身を除く): 24080432

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 97, 176, 194, 352, 388, 601, 776, 1067, 1202, 1552, 2134, 2404, 3104, 4268, 4808, 6611, 8536, 9616, 13222, 17072, 19232, 26444, 34144, 52888, 58297, 105776, 116594, 211552, 233188, 466376, 641267, 932752, 1282534, 1865504, 2565068, 5130136, 10260272, 20520544]

約数ペア:

[(1, 20520544), (2, 10260272), (4, 5130136), (8, 2565068), (11, 1865504), (16, 1282534), (22, 932752), (32, 641267), (44, 466376), (88, 233188), (97, 211552), (176, 116594), (194, 105776), (352, 58297), (388, 52888), (601, 34144), (776, 26444), (1067, 19232), (1202, 17072), (1552, 13222), (2134, 9616), (2404, 8536), (3104, 6611), (4268, 4808)]