20341979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 24768000

約数和(自身を除く): 4426021

約数列:

[1, 7, 17, 119, 199, 859, 1393, 3383, 6013, 14603, 23681, 102221, 170941, 1196587, 2905997, 20341979]

約数ペア:

[(1, 20341979), (7, 2905997), (17, 1196587), (119, 170941), (199, 102221), (859, 23681), (1393, 14603), (3383, 6013)]