20789038

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4659

約数の個数: 16

約数和(自身を含む): 32517936

約数和(自身を除く): 11728898

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4558, 4561, 9122, 196123, 241733, 392246, 483466, 10394519, 20789038]

約数ペア:

[(1, 20789038), (2, 10394519), (43, 483466), (53, 392246), (86, 241733), (106, 196123), (2279, 9122), (4558, 4561)]