20340166

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 17917754

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 269, 491, 538, 982, 1883, 2959, 3437, 3766, 5401, 5918, 6874, 10802, 20713, 37807, 41426, 75614, 132079, 264158, 924553, 1452869, 1849106, 2905738, 10170083, 20340166]

約数ペア:

[(1, 20340166), (2, 10170083), (7, 2905738), (11, 1849106), (14, 1452869), (22, 924553), (77, 264158), (154, 132079), (269, 75614), (491, 41426), (538, 37807), (982, 20713), (1883, 10802), (2959, 6874), (3437, 5918), (3766, 5401)]