17828020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127343}}^1$

素因数の和:127359

約数の個数: 24

約数和(自身を含む): 42787584

約数和(自身を除く): 24959564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127343, 254686, 509372, 636715, 891401, 1273430, 1782802, 2546860, 3565604, 4457005, 8914010, 17828020]

約数ペア:

[(1, 17828020), (2, 8914010), (4, 4457005), (5, 3565604), (7, 2546860), (10, 1782802), (14, 1273430), (20, 891401), (28, 636715), (35, 509372), (70, 254686), (140, 127343)]