20873212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2417}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 38997504

約数和(自身を除く): 18124292

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 2159, 2417, 4318, 4834, 8636, 9668, 41089, 82178, 164356, 306959, 613918, 1227836, 5218303, 10436606, 20873212]

約数ペア:

[(1, 20873212), (2, 10436606), (4, 5218303), (17, 1227836), (34, 613918), (68, 306959), (127, 164356), (254, 82178), (508, 41089), (2159, 9668), (2417, 8636), (4318, 4834)]