20411650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2059

約数の個数: 48

約数和(自身を含む): 44907840

約数和(自身を除く): 24496190

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2011, 2030, 4022, 5075, 10055, 10150, 14077, 20110, 28154, 50275, 58319, 70385, 100550, 116638, 140770, 291595, 351925, 408233, 583190, 703850, 816466, 1457975, 2041165, 2915950, 4082330, 10205825, 20411650]

約数ペア:

[(1, 20411650), (2, 10205825), (5, 4082330), (7, 2915950), (10, 2041165), (14, 1457975), (25, 816466), (29, 703850), (35, 583190), (50, 408233), (58, 351925), (70, 291595), (145, 140770), (175, 116638), (203, 100550), (290, 70385), (350, 58319), (406, 50275), (725, 28154), (1015, 20110), (1450, 14077), (2011, 10150), (2030, 10055), (4022, 5075)]