20547000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{761}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 71323200

約数和(自身を除く): 50776200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 125, 135, 150, 180, 200, 216, 225, 250, 270, 300, 360, 375, 450, 500, 540, 600, 675, 750, 761, 900, 1000, 1080, 1125, 1350, 1500, 1522, 1800, 2250, 2283, 2700, 3000, 3044, 3375, 3805, 4500, 4566, 5400, 6088, 6750, 6849, 7610, 9000, 9132, 11415, 13500, 13698, 15220, 18264, 19025, 20547, 22830, 27000, 27396, 30440, 34245, 38050, 41094, 45660, 54792, 57075, 68490, 76100, 82188, 91320, 95125, 102735, 114150, 136980, 152200, 164376, 171225, 190250, 205470, 228300, 273960, 285375, 342450, 380500, 410940, 456600, 513675, 570750, 684900, 761000, 821880, 856125, 1027350, 1141500, 1369800, 1712250, 2054700, 2283000, 2568375, 3424500, 4109400, 5136750, 6849000, 10273500, 20547000]

約数ペア:

[(1, 20547000), (2, 10273500), (3, 6849000), (4, 5136750), (5, 4109400), (6, 3424500), (8, 2568375), (9, 2283000), (10, 2054700), (12, 1712250), (15, 1369800), (18, 1141500), (20, 1027350), (24, 856125), (25, 821880), (27, 761000), (30, 684900), (36, 570750), (40, 513675), (45, 456600), (50, 410940), (54, 380500), (60, 342450), (72, 285375), (75, 273960), (90, 228300), (100, 205470), (108, 190250), (120, 171225), (125, 164376), (135, 152200), (150, 136980), (180, 114150), (200, 102735), (216, 95125), (225, 91320), (250, 82188), (270, 76100), (300, 68490), (360, 57075), (375, 54792), (450, 45660), (500, 41094), (540, 38050), (600, 34245), (675, 30440), (750, 27396), (761, 27000), (900, 22830), (1000, 20547), (1080, 19025), (1125, 18264), (1350, 15220), (1500, 13698), (1522, 13500), (1800, 11415), (2250, 9132), (2283, 9000), (2700, 7610), (3000, 6849), (3044, 6750), (3375, 6088), (3805, 5400), (4500, 4566)]