17731420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126653}}^1$

素因数の和:126669

約数の個数: 24

約数和(自身を含む): 42555744

約数和(自身を除く): 24824324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126653, 253306, 506612, 633265, 886571, 1266530, 1773142, 2533060, 3546284, 4432855, 8865710, 17731420]

約数ペア:

[(1, 17731420), (2, 8865710), (4, 4432855), (5, 3546284), (7, 2533060), (10, 1773142), (14, 1266530), (20, 886571), (28, 633265), (35, 506612), (70, 253306), (140, 126653)]