20606558

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5683}}^1$

素因数の和:5736

約数の個数: 24

約数和(自身を含む): 36934632

約数和(自身を除く): 16328074

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5683, 11366, 39781, 79562, 210271, 278467, 420542, 556934, 1471897, 2943794, 10303279, 20606558]

約数ペア:

[(1, 20606558), (2, 10303279), (7, 2943794), (14, 1471897), (37, 556934), (49, 420542), (74, 278467), (98, 210271), (259, 79562), (518, 39781), (1813, 11366), (3626, 5683)]