20881202280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7565653}}^1$

素因数の和:7565690

約数の個数: 64

約数和(自身を含む): 65367250560

約数和(自身を除く): 44486048280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7565653, 15131306, 22696959, 30262612, 37828265, 45393918, 60525224, 75656530, 90787836, 113484795, 151313060, 174010019, 181575672, 226969590, 302626120, 348020038, 453939180, 522030057, 696040076, 870050095, 907878360, 1044060114, 1392080152, 1740100190, 2088120228, 2610150285, 3480200380, 4176240456, 5220300570, 6960400760, 10440601140, 20881202280]

約数ペア:

[(1, 20881202280), (2, 10440601140), (3, 6960400760), (4, 5220300570), (5, 4176240456), (6, 3480200380), (8, 2610150285), (10, 2088120228), (12, 1740100190), (15, 1392080152), (20, 1044060114), (23, 907878360), (24, 870050095), (30, 696040076), (40, 522030057), (46, 453939180), (60, 348020038), (69, 302626120), (92, 226969590), (115, 181575672), (120, 174010019), (138, 151313060), (184, 113484795), (230, 90787836), (276, 75656530), (345, 60525224), (460, 45393918), (552, 37828265), (690, 30262612), (920, 22696959), (1380, 15131306), (2760, 7565653)]