20287022

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1439}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17037778

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1439, 2014, 2878, 7049, 10073, 14098, 20146, 27341, 54682, 76267, 152534, 191387, 382774, 533869, 1067738, 1449073, 2898146, 10143511, 20287022]

約数ペア:

[(1, 20287022), (2, 10143511), (7, 2898146), (14, 1449073), (19, 1067738), (38, 533869), (53, 382774), (106, 191387), (133, 152534), (266, 76267), (371, 54682), (742, 27341), (1007, 20146), (1439, 14098), (2014, 10073), (2878, 7049)]