20386429

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 24140160

約数和(自身を除く): 3753731

約数列:

[1, 7, 43, 89, 301, 623, 761, 3827, 5327, 26789, 32723, 67729, 229061, 474103, 2912347, 20386429]

約数ペア:

[(1, 20386429), (7, 2912347), (43, 474103), (89, 229061), (301, 67729), (623, 32723), (761, 26789), (3827, 5327)]