20385400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14561}}^1$

素因数の和:14584

約数の個数: 48

約数和(自身を含む): 54170640

約数和(自身を除く): 33785240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14561, 29122, 58244, 72805, 101927, 116488, 145610, 203854, 291220, 364025, 407708, 509635, 582440, 728050, 815416, 1019270, 1456100, 2038540, 2548175, 2912200, 4077080, 5096350, 10192700, 20385400]

約数ペア:

[(1, 20385400), (2, 10192700), (4, 5096350), (5, 4077080), (7, 2912200), (8, 2548175), (10, 2038540), (14, 1456100), (20, 1019270), (25, 815416), (28, 728050), (35, 582440), (40, 509635), (50, 407708), (56, 364025), (70, 291220), (100, 203854), (140, 145610), (175, 116488), (200, 101927), (280, 72805), (350, 58244), (700, 29122), (1400, 14561)]