20678743778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{474479}}^1$

素因数の和:474782

約数の個数: 32

約数和(自身を含む): 38808668160

約数和(自身を除く): 18129924382

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 283, 566, 1981, 3113, 3962, 6226, 21791, 43582, 474479, 948958, 3321353, 5219269, 6642706, 10438538, 36534883, 73069766, 134277557, 268555114, 939942899, 1477053127, 1879885798, 2954106254, 10339371889, 20678743778]

約数ペア:

[(1, 20678743778), (2, 10339371889), (7, 2954106254), (11, 1879885798), (14, 1477053127), (22, 939942899), (77, 268555114), (154, 134277557), (283, 73069766), (566, 36534883), (1981, 10438538), (3113, 6642706), (3962, 5219269), (6226, 3321353), (21791, 948958), (43582, 474479)]