20835000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{463}}^1$

素因数の和:495

約数の個数: 120

約数和(自身を含む): 70664880

約数和(自身を除く): 49829880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 463, 500, 600, 625, 750, 900, 926, 1000, 1125, 1250, 1389, 1500, 1800, 1852, 1875, 2250, 2315, 2500, 2778, 3000, 3704, 3750, 4167, 4500, 4630, 5000, 5556, 5625, 6945, 7500, 8334, 9000, 9260, 11112, 11250, 11575, 13890, 15000, 16668, 18520, 20835, 22500, 23150, 27780, 33336, 34725, 41670, 45000, 46300, 55560, 57875, 69450, 83340, 92600, 104175, 115750, 138900, 166680, 173625, 208350, 231500, 277800, 289375, 347250, 416700, 463000, 520875, 578750, 694500, 833400, 868125, 1041750, 1157500, 1389000, 1736250, 2083500, 2315000, 2604375, 3472500, 4167000, 5208750, 6945000, 10417500, 20835000]

約数ペア:

[(1, 20835000), (2, 10417500), (3, 6945000), (4, 5208750), (5, 4167000), (6, 3472500), (8, 2604375), (9, 2315000), (10, 2083500), (12, 1736250), (15, 1389000), (18, 1157500), (20, 1041750), (24, 868125), (25, 833400), (30, 694500), (36, 578750), (40, 520875), (45, 463000), (50, 416700), (60, 347250), (72, 289375), (75, 277800), (90, 231500), (100, 208350), (120, 173625), (125, 166680), (150, 138900), (180, 115750), (200, 104175), (225, 92600), (250, 83340), (300, 69450), (360, 57875), (375, 55560), (450, 46300), (463, 45000), (500, 41670), (600, 34725), (625, 33336), (750, 27780), (900, 23150), (926, 22500), (1000, 20835), (1125, 18520), (1250, 16668), (1389, 15000), (1500, 13890), (1800, 11575), (1852, 11250), (1875, 11112), (2250, 9260), (2315, 9000), (2500, 8334), (2778, 7500), (3000, 6945), (3704, 5625), (3750, 5556), (4167, 5000), (4500, 4630)]