20983754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4793}}^1$

素因数の和:5005

約数の個数: 16

約数和(自身を含む): 34516800

約数和(自身を除く): 13533046

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4793, 9586, 52723, 105446, 953807, 1907614, 10491877, 20983754]

約数ペア:

[(1, 20983754), (2, 10491877), (11, 1907614), (22, 953807), (199, 105446), (398, 52723), (2189, 9586), (4378, 4793)]