20901554

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{6217}}^1$

素因数の和:6301

約数の個数: 12

約数和(自身を含む): 32140842

約数和(自身を除く): 11239288

約数列:

[1, 2, 41, 82, 1681, 3362, 6217, 12434, 254897, 509794, 10450777, 20901554]

約数ペア:

[(1, 20901554), (2, 10450777), (41, 509794), (82, 254897), (1681, 12434), (3362, 6217)]