20467828

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 36979712

約数和(自身を除く): 16511884

約数列:

[1, 2, 4, 43, 86, 127, 172, 254, 508, 937, 1874, 3748, 5461, 10922, 21844, 40291, 80582, 118999, 161164, 237998, 475996, 5116957, 10233914, 20467828]

約数ペア:

[(1, 20467828), (2, 10233914), (4, 5116957), (43, 475996), (86, 237998), (127, 161164), (172, 118999), (254, 80582), (508, 40291), (937, 21844), (1874, 10922), (3748, 5461)]