20104290745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{5101}}^1$

素因数の和:5506

約数の個数: 64

約数和(自身を含む): 31209546240

約数和(自身を除く): 11105255495

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 353, 385, 1015, 1595, 1765, 2233, 2471, 3883, 5101, 10237, 11165, 12355, 19415, 25505, 27181, 35707, 51185, 56111, 71659, 112607, 135905, 147929, 178535, 280555, 358295, 392777, 563035, 739645, 788249, 1035503, 1627219, 1800653, 1963885, 3941245, 5177515, 8136095, 9003265, 11390533, 12604571, 19807183, 52218937, 56952665, 63022855, 99035915, 138650281, 261094685, 365532559, 574408307, 693251405, 1827662795, 2872041535, 4020858149, 20104290745]

約数ペア:

[(1, 20104290745), (5, 4020858149), (7, 2872041535), (11, 1827662795), (29, 693251405), (35, 574408307), (55, 365532559), (77, 261094685), (145, 138650281), (203, 99035915), (319, 63022855), (353, 56952665), (385, 52218937), (1015, 19807183), (1595, 12604571), (1765, 11390533), (2233, 9003265), (2471, 8136095), (3883, 5177515), (5101, 3941245), (10237, 1963885), (11165, 1800653), (12355, 1627219), (19415, 1035503), (25505, 788249), (27181, 739645), (35707, 563035), (51185, 392777), (56111, 358295), (71659, 280555), (112607, 178535), (135905, 147929)]