20694000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3449}}^1$

素因数の和:3475

約数の個数: 80

約数和(自身を含む): 66736800

約数和(自身を除く): 46042800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3449, 6000, 6898, 10347, 13796, 17245, 20694, 27592, 34490, 41388, 51735, 55184, 68980, 82776, 86225, 103470, 137960, 165552, 172450, 206940, 258675, 275920, 344900, 413880, 431125, 517350, 689800, 827760, 862250, 1034700, 1293375, 1379600, 1724500, 2069400, 2586750, 3449000, 4138800, 5173500, 6898000, 10347000, 20694000]

約数ペア:

[(1, 20694000), (2, 10347000), (3, 6898000), (4, 5173500), (5, 4138800), (6, 3449000), (8, 2586750), (10, 2069400), (12, 1724500), (15, 1379600), (16, 1293375), (20, 1034700), (24, 862250), (25, 827760), (30, 689800), (40, 517350), (48, 431125), (50, 413880), (60, 344900), (75, 275920), (80, 258675), (100, 206940), (120, 172450), (125, 165552), (150, 137960), (200, 103470), (240, 86225), (250, 82776), (300, 68980), (375, 55184), (400, 51735), (500, 41388), (600, 34490), (750, 27592), (1000, 20694), (1200, 17245), (1500, 13796), (2000, 10347), (3000, 6898), (3449, 6000)]