20512085650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{29347}}^1$

素因数の和:31363

約数の個数: 48

約数和(自身を含む): 43626154176

約数和(自身を除く): 23114068526

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 1997, 3994, 9985, 13979, 19970, 27958, 29347, 49925, 58694, 69895, 99850, 139790, 146735, 205429, 293470, 349475, 410858, 698950, 733675, 1027145, 1467350, 2054290, 5135725, 10271450, 58605959, 117211918, 293029795, 410241713, 586059590, 820483426, 1465148975, 2051208565, 2930297950, 4102417130, 10256042825, 20512085650]

約数ペア:

[(1, 20512085650), (2, 10256042825), (5, 4102417130), (7, 2930297950), (10, 2051208565), (14, 1465148975), (25, 820483426), (35, 586059590), (50, 410241713), (70, 293029795), (175, 117211918), (350, 58605959), (1997, 10271450), (3994, 5135725), (9985, 2054290), (13979, 1467350), (19970, 1027145), (27958, 733675), (29347, 698950), (49925, 410858), (58694, 349475), (69895, 293470), (99850, 205429), (139790, 146735)]