20498786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133109}}^1$

素因数の和:133129

約数の個数: 16

約数和(自身を含む): 38335680

約数和(自身を除く): 17836894

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 133109, 266218, 931763, 1464199, 1863526, 2928398, 10249393, 20498786]

約数ペア:

[(1, 20498786), (2, 10249393), (7, 2928398), (11, 1863526), (14, 1464199), (22, 931763), (77, 266218), (154, 133109)]