20986042

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136273}}^1$

素因数の和:136293

約数の個数: 16

約数和(自身を含む): 39246912

約数和(自身を除く): 18260870

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136273, 272546, 953911, 1499003, 1907822, 2998006, 10493021, 20986042]

約数ペア:

[(1, 20986042), (2, 10493021), (7, 2998006), (11, 1907822), (14, 1499003), (22, 953911), (77, 272546), (154, 136273)]