20872454

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1459}}^1$

素因数の和:1795

約数の個数: 16

約数和(自身を含む): 32797440

約数和(自身を除く): 11924986

約数列:

[1, 2, 23, 46, 311, 622, 1459, 2918, 7153, 14306, 33557, 67114, 453749, 907498, 10436227, 20872454]

約数ペア:

[(1, 20872454), (2, 10436227), (23, 907498), (46, 453749), (311, 67114), (622, 33557), (1459, 14306), (2918, 7153)]