20123143348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2840647}}^1$

素因数の和:2840692

約数の個数: 48

約数和(自身を含む): 45813970944

約数和(自身を除く): 25690827596

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3542, 7084, 2840647, 5681294, 11362588, 19884529, 31247117, 39769058, 62494234, 65334881, 79538116, 124988468, 130669762, 218729819, 261339524, 437459638, 457344167, 718683691, 874919276, 914688334, 1437367382, 1829376668, 2874734764, 5030785837, 10061571674, 20123143348]

約数ペア:

[(1, 20123143348), (2, 10061571674), (4, 5030785837), (7, 2874734764), (11, 1829376668), (14, 1437367382), (22, 914688334), (23, 874919276), (28, 718683691), (44, 457344167), (46, 437459638), (77, 261339524), (92, 218729819), (154, 130669762), (161, 124988468), (253, 79538116), (308, 65334881), (322, 62494234), (506, 39769058), (644, 31247117), (1012, 19884529), (1771, 11362588), (3542, 5681294), (7084, 2840647)]