20669874

素因数分解:

$2^1\times 3^1\times {\mathrm{349}}^1\times {\mathrm{9871}}^1$

素因数の和:10225

約数の個数: 16

約数和(自身を含む): 41462400

約数和(自身を除く): 20792526

約数列:

[1, 2, 3, 6, 349, 698, 1047, 2094, 9871, 19742, 29613, 59226, 3444979, 6889958, 10334937, 20669874]

約数ペア:

[(1, 20669874), (2, 10334937), (3, 6889958), (6, 3444979), (349, 59226), (698, 29613), (1047, 19742), (2094, 9871)]