20804948318

素因数分解:

$2^1\times 7^5\times {\mathrm{11}}^1\times {\mathrm{56267}}^1$

素因数の和:56315

約数の個数: 48

約数和(自身を含む): 39718905984

約数和(自身を除く): 18913957666

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2401, 3773, 4802, 7546, 16807, 26411, 33614, 52822, 56267, 112534, 184877, 369754, 393869, 618937, 787738, 1237874, 2757083, 4332559, 5514166, 8665118, 19299581, 30327913, 38599162, 60655826, 135097067, 212295391, 270194134, 424590782, 945679469, 1486067737, 1891358938, 2972135474, 10402474159, 20804948318]

約数ペア:

[(1, 20804948318), (2, 10402474159), (7, 2972135474), (11, 1891358938), (14, 1486067737), (22, 945679469), (49, 424590782), (77, 270194134), (98, 212295391), (154, 135097067), (343, 60655826), (539, 38599162), (686, 30327913), (1078, 19299581), (2401, 8665118), (3773, 5514166), (4802, 4332559), (7546, 2757083), (16807, 1237874), (26411, 787738), (33614, 618937), (52822, 393869), (56267, 369754), (112534, 184877)]