20806561650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19815773}}^1$

素因数の和:19815795

約数の個数: 48

約数和(自身を含む): 58971743424

約数和(自身を除く): 38165181774

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19815773, 39631546, 59447319, 99078865, 118894638, 138710411, 198157730, 277420822, 297236595, 416131233, 495394325, 594473190, 693552055, 832262466, 990788650, 1387104110, 1486182975, 2080656165, 2972365950, 3467760275, 4161312330, 6935520550, 10403280825, 20806561650]

約数ペア:

[(1, 20806561650), (2, 10403280825), (3, 6935520550), (5, 4161312330), (6, 3467760275), (7, 2972365950), (10, 2080656165), (14, 1486182975), (15, 1387104110), (21, 990788650), (25, 832262466), (30, 693552055), (35, 594473190), (42, 495394325), (50, 416131233), (70, 297236595), (75, 277420822), (105, 198157730), (150, 138710411), (175, 118894638), (210, 99078865), (350, 59447319), (525, 39631546), (1050, 19815773)]