20289202010109

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{4721}}^1\times {\mathrm{27127}}^1$

素因数の和:32490

約数の個数: 48

約数和(自身を含む): 30374696401920

約数和(自身を除く): 10085494391811

約数列:

[1, 3, 9, 29, 87, 261, 607, 1821, 4721, 5463, 14163, 17603, 27127, 42489, 52809, 81381, 136909, 158427, 244143, 410727, 786683, 1232181, 2360049, 2865647, 7080147, 8596941, 16466089, 25790823, 49398267, 83103763, 128066567, 148194801, 249311289, 384199701, 477516581, 747933867, 1152599103, 1432549743, 3713930443, 4297649229, 11141791329, 33425373987, 77736406169, 233209218507, 699627655521, 2254355778901, 6763067336703, 20289202010109]

約数ペア:

[(1, 20289202010109), (3, 6763067336703), (9, 2254355778901), (29, 699627655521), (87, 233209218507), (261, 77736406169), (607, 33425373987), (1821, 11141791329), (4721, 4297649229), (5463, 3713930443), (14163, 1432549743), (17603, 1152599103), (27127, 747933867), (42489, 477516581), (52809, 384199701), (81381, 249311289), (136909, 148194801), (158427, 128066567), (244143, 83103763), (410727, 49398267), (786683, 25790823), (1232181, 16466089), (2360049, 8596941), (2865647, 7080147)]