20769441

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1913}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 35278848

約数和(自身を除く): 14509407

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 1913, 3619, 5739, 10857, 13391, 21043, 40173, 63129, 89911, 147301, 269733, 441903, 629377, 989021, 1888131, 2967063, 6923147, 20769441]

約数ペア:

[(1, 20769441), (3, 6923147), (7, 2967063), (11, 1888131), (21, 989021), (33, 629377), (47, 441903), (77, 269733), (141, 147301), (231, 89911), (329, 63129), (517, 40173), (987, 21043), (1551, 13391), (1913, 10857), (3619, 5739)]