20464784

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24133}}^1$

素因数の和:24194

約数の個数: 20

約数和(自身を含む): 40400316

約数和(自身を除く): 19935532

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24133, 48266, 96532, 193064, 386128, 1279049, 2558098, 5116196, 10232392, 20464784]

約数ペア:

[(1, 20464784), (2, 10232392), (4, 5116196), (8, 2558098), (16, 1279049), (53, 386128), (106, 193064), (212, 96532), (424, 48266), (848, 24133)]