20216933990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{8179}}^1$

素因数の和:9197

約数の個数: 64

約数和(自身を含む): 41472207360

約数和(自身を除く): 21255273370

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 977, 1265, 1954, 2530, 4885, 8179, 9770, 10747, 16358, 21494, 22471, 40895, 44942, 53735, 81790, 89969, 107470, 112355, 179938, 188117, 224710, 247181, 376234, 449845, 494362, 899690, 940585, 1235905, 1881170, 2069287, 2471810, 4138574, 7990883, 10346435, 15981766, 20692870, 39954415, 79908830, 87899713, 175799426, 183790309, 367580618, 439498565, 878997130, 918951545, 1837903090, 2021693399, 4043386798, 10108466995, 20216933990]

約数ペア:

[(1, 20216933990), (2, 10108466995), (5, 4043386798), (10, 2021693399), (11, 1837903090), (22, 918951545), (23, 878997130), (46, 439498565), (55, 367580618), (110, 183790309), (115, 175799426), (230, 87899713), (253, 79908830), (506, 39954415), (977, 20692870), (1265, 15981766), (1954, 10346435), (2530, 7990883), (4885, 4138574), (8179, 2471810), (9770, 2069287), (10747, 1881170), (16358, 1235905), (21494, 940585), (22471, 899690), (40895, 494362), (44942, 449845), (53735, 376234), (81790, 247181), (89969, 224710), (107470, 188117), (112355, 179938)]