20658022

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2604

約数の個数: 32

約数和(自身を含む): 39377664

約数和(自身を除く): 18719642

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 154, 371, 583, 742, 1166, 2531, 4081, 5062, 8162, 17717, 27841, 35434, 55682, 134143, 194887, 268286, 389774, 939001, 1475573, 1878002, 2951146, 10329011, 20658022]

約数ペア:

[(1, 20658022), (2, 10329011), (7, 2951146), (11, 1878002), (14, 1475573), (22, 939001), (53, 389774), (77, 268286), (106, 194887), (154, 134143), (371, 55682), (583, 35434), (742, 27841), (1166, 17717), (2531, 8162), (4081, 5062)]