20805631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5749}}^1$

素因数の和:5814

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 5690369

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5749, 40243, 63239, 270203, 442673, 1891421, 2972233, 20805631]

約数ペア:

[(1, 20805631), (7, 2972233), (11, 1891421), (47, 442673), (77, 270203), (329, 63239), (517, 40243), (3619, 5749)]