20648848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5101}}^1$

素因数の和:5143

約数の個数: 40

約数和(自身を含む): 45550656

約数和(自身を除く): 24901808

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5101, 10202, 20404, 40808, 56111, 81616, 112222, 117323, 224444, 234646, 448888, 469292, 897776, 938584, 1290553, 1877168, 2581106, 5162212, 10324424, 20648848]

約数ペア:

[(1, 20648848), (2, 10324424), (4, 5162212), (8, 2581106), (11, 1877168), (16, 1290553), (22, 938584), (23, 897776), (44, 469292), (46, 448888), (88, 234646), (92, 224444), (176, 117323), (184, 112222), (253, 81616), (368, 56111), (506, 40808), (1012, 20404), (2024, 10202), (4048, 5101)]