20475568

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29761}}^1$

素因数の和:29812

約数の個数: 20

約数和(自身を含む): 40595368

約数和(自身を除く): 20119800

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29761, 59522, 119044, 238088, 476176, 1279723, 2559446, 5118892, 10237784, 20475568]

約数ペア:

[(1, 20475568), (2, 10237784), (4, 5118892), (8, 2559446), (16, 1279723), (43, 476176), (86, 238088), (172, 119044), (344, 59522), (688, 29761)]