20828254

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1907}}^1$

素因数の和:2079

約数の個数: 16

約数和(自身を含む): 32237568

約数和(自身を除く): 11409314

約数列:

[1, 2, 43, 86, 127, 254, 1907, 3814, 5461, 10922, 82001, 164002, 242189, 484378, 10414127, 20828254]

約数ペア:

[(1, 20828254), (2, 10414127), (43, 484378), (86, 242189), (127, 164002), (254, 82001), (1907, 10922), (3814, 5461)]