20169904

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5653}}^1$

素因数の和:5884

約数の個数: 20

約数和(自身を含む): 39261376

約数和(自身を除く): 19091472

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5653, 11306, 22612, 45224, 90448, 1260619, 2521238, 5042476, 10084952, 20169904]

約数ペア:

[(1, 20169904), (2, 10084952), (4, 5042476), (8, 2521238), (16, 1260619), (223, 90448), (446, 45224), (892, 22612), (1784, 11306), (3568, 5653)]