20368432

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7907}}^1$

素因数の和:7945

約数の個数: 40

約数和(自身を含む): 47068416

約数和(自身を除く): 26699984

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7907, 15814, 31628, 55349, 63256, 110698, 126512, 181861, 221396, 363722, 442792, 727444, 885584, 1273027, 1454888, 2546054, 2909776, 5092108, 10184216, 20368432]

約数ペア:

[(1, 20368432), (2, 10184216), (4, 5092108), (7, 2909776), (8, 2546054), (14, 1454888), (16, 1273027), (23, 885584), (28, 727444), (46, 442792), (56, 363722), (92, 221396), (112, 181861), (161, 126512), (184, 110698), (322, 63256), (368, 55349), (644, 31628), (1288, 15814), (2576, 7907)]