20790650881

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1888171}}^1$

素因数の和:1888213

約数の個数: 24

約数和(自身を含む): 28126210112

約数和(自身を除く): 7335559231

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 11011, 1888171, 13217197, 20769881, 24546223, 145389167, 171823561, 228468691, 270008453, 1599280837, 1890059171, 2970092983, 20790650881]

約数ペア:

[(1, 20790650881), (7, 2970092983), (11, 1890059171), (13, 1599280837), (77, 270008453), (91, 228468691), (121, 171823561), (143, 145389167), (847, 24546223), (1001, 20769881), (1573, 13217197), (11011, 1888171)]