27852020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198943}}^1$

素因数の和:198959

約数の個数: 24

約数和(自身を含む): 66845184

約数和(自身を除く): 38993164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198943, 397886, 795772, 994715, 1392601, 1989430, 2785202, 3978860, 5570404, 6963005, 13926010, 27852020]

約数ペア:

[(1, 27852020), (2, 13926010), (4, 6963005), (5, 5570404), (7, 3978860), (10, 2785202), (14, 1989430), (20, 1392601), (28, 994715), (35, 795772), (70, 397886), (140, 198943)]