20085454972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149521}}^1$

素因数の和:149650

約数の個数: 48

約数和(自身を含む): 39789598464

約数和(自身を除く): 19704143492

約数列:

[1, 2, 4, 11, 22, 43, 44, 71, 86, 142, 172, 284, 473, 781, 946, 1562, 1892, 3053, 3124, 6106, 12212, 33583, 67166, 134332, 149521, 299042, 598084, 1644731, 3289462, 6429403, 6578924, 10615991, 12858806, 21231982, 25717612, 42463964, 70723433, 116775901, 141446866, 233551802, 282893732, 456487613, 467103604, 912975226, 1825950452, 5021363743, 10042727486, 20085454972]

約数ペア:

[(1, 20085454972), (2, 10042727486), (4, 5021363743), (11, 1825950452), (22, 912975226), (43, 467103604), (44, 456487613), (71, 282893732), (86, 233551802), (142, 141446866), (172, 116775901), (284, 70723433), (473, 42463964), (781, 25717612), (946, 21231982), (1562, 12858806), (1892, 10615991), (3053, 6578924), (3124, 6429403), (6106, 3289462), (12212, 1644731), (33583, 598084), (67166, 299042), (134332, 149521)]