20429439

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^2$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 29091888

約数和(自身を除く): 8662449

約数列:

[1, 3, 37, 41, 67, 111, 123, 201, 1517, 2479, 2747, 4489, 4551, 7437, 8241, 13467, 101639, 166093, 184049, 304917, 498279, 552147, 6809813, 20429439]

約数ペア:

[(1, 20429439), (3, 6809813), (37, 552147), (41, 498279), (67, 304917), (111, 184049), (123, 166093), (201, 101639), (1517, 13467), (2479, 8241), (2747, 7437), (4489, 4551)]