20171660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27259}}^1$

素因数の和:27305

約数の個数: 24

約数和(自身を含む): 43506960

約数和(自身を除く): 23335300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27259, 54518, 109036, 136295, 272590, 545180, 1008583, 2017166, 4034332, 5042915, 10085830, 20171660]

約数ペア:

[(1, 20171660), (2, 10085830), (4, 5042915), (5, 4034332), (10, 2017166), (20, 1008583), (37, 545180), (74, 272590), (148, 136295), (185, 109036), (370, 54518), (740, 27259)]