168320020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{765091}}^1$

素因数の和:765111

約数の個数: 24

約数和(自身を含む): 385606368

約数和(自身を除く): 217286348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 765091, 1530182, 3060364, 3825455, 7650910, 8416001, 15301820, 16832002, 33664004, 42080005, 84160010, 168320020]

約数ペア:

[(1, 168320020), (2, 84160010), (4, 42080005), (5, 33664004), (10, 16832002), (11, 15301820), (20, 8416001), (22, 7650910), (44, 3825455), (55, 3060364), (110, 1530182), (220, 765091)]