20285406

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{27487}}^1$

素因数の和:27536

約数の個数: 24

約数和(自身を含む): 45025344

約数和(自身を除く): 24739938

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 27487, 54974, 82461, 164922, 247383, 494766, 1126967, 2253934, 3380901, 6761802, 10142703, 20285406]

約数ペア:

[(1, 20285406), (2, 10142703), (3, 6761802), (6, 3380901), (9, 2253934), (18, 1126967), (41, 494766), (82, 247383), (123, 164922), (246, 82461), (369, 54974), (738, 27487)]