20492989456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{9241}}^1$

素因数の和:9560

約数の個数: 80

約数和(自身を含む): 43566640128

約数和(自身を除く): 23073650672

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 263, 272, 496, 526, 527, 1052, 1054, 2104, 2108, 4208, 4216, 4471, 8153, 8432, 8942, 9241, 16306, 17884, 18482, 32612, 35768, 36964, 65224, 71536, 73928, 130448, 138601, 147856, 157097, 277202, 286471, 314194, 554404, 572942, 628388, 1108808, 1145884, 1256776, 2217616, 2291768, 2430383, 2513552, 4583536, 4860766, 4870007, 9721532, 9740014, 19443064, 19480028, 38886128, 38960056, 41316511, 75341873, 77920112, 82633022, 150683746, 165266044, 301367492, 330532088, 602734984, 661064176, 1205469968, 1280811841, 2561623682, 5123247364, 10246494728, 20492989456]

約数ペア:

[(1, 20492989456), (2, 10246494728), (4, 5123247364), (8, 2561623682), (16, 1280811841), (17, 1205469968), (31, 661064176), (34, 602734984), (62, 330532088), (68, 301367492), (124, 165266044), (136, 150683746), (248, 82633022), (263, 77920112), (272, 75341873), (496, 41316511), (526, 38960056), (527, 38886128), (1052, 19480028), (1054, 19443064), (2104, 9740014), (2108, 9721532), (4208, 4870007), (4216, 4860766), (4471, 4583536), (8153, 2513552), (8432, 2430383), (8942, 2291768), (9241, 2217616), (16306, 1256776), (17884, 1145884), (18482, 1108808), (32612, 628388), (35768, 572942), (36964, 554404), (65224, 314194), (71536, 286471), (73928, 277202), (130448, 157097), (138601, 147856)]