20112000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{419}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 66830400

約数和(自身を除く): 46718400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 192, 200, 240, 250, 300, 320, 375, 384, 400, 419, 480, 500, 600, 640, 750, 800, 838, 960, 1000, 1200, 1257, 1500, 1600, 1676, 1920, 2000, 2095, 2400, 2514, 3000, 3200, 3352, 4000, 4190, 4800, 5028, 6000, 6285, 6704, 8000, 8380, 9600, 10056, 10475, 12000, 12570, 13408, 16000, 16760, 20112, 20950, 24000, 25140, 26816, 31425, 33520, 40224, 41900, 48000, 50280, 52375, 53632, 62850, 67040, 80448, 83800, 100560, 104750, 125700, 134080, 157125, 160896, 167600, 201120, 209500, 251400, 268160, 314250, 335200, 402240, 419000, 502800, 628500, 670400, 804480, 838000, 1005600, 1257000, 1340800, 1676000, 2011200, 2514000, 3352000, 4022400, 5028000, 6704000, 10056000, 20112000]

約数ペア:

[(1, 20112000), (2, 10056000), (3, 6704000), (4, 5028000), (5, 4022400), (6, 3352000), (8, 2514000), (10, 2011200), (12, 1676000), (15, 1340800), (16, 1257000), (20, 1005600), (24, 838000), (25, 804480), (30, 670400), (32, 628500), (40, 502800), (48, 419000), (50, 402240), (60, 335200), (64, 314250), (75, 268160), (80, 251400), (96, 209500), (100, 201120), (120, 167600), (125, 160896), (128, 157125), (150, 134080), (160, 125700), (192, 104750), (200, 100560), (240, 83800), (250, 80448), (300, 67040), (320, 62850), (375, 53632), (384, 52375), (400, 50280), (419, 48000), (480, 41900), (500, 40224), (600, 33520), (640, 31425), (750, 26816), (800, 25140), (838, 24000), (960, 20950), (1000, 20112), (1200, 16760), (1257, 16000), (1500, 13408), (1600, 12570), (1676, 12000), (1920, 10475), (2000, 10056), (2095, 9600), (2400, 8380), (2514, 8000), (3000, 6704), (3200, 6285), (3352, 6000), (4000, 5028), (4190, 4800)]