20994000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3499}}^1$

素因数の和:3525

約数の個数: 80

約数和(自身を含む): 67704000

約数和(自身を除く): 46710000

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, 3499, 6000, 6998, 10497, 13996, 17495, 20994, 27992, 34990, 41988, 52485, 55984, 69980, 83976, 87475, 104970, 139960, 167952, 174950, 209940, 262425, 279920, 349900, 419880, 437375, 524850, 699800, 839760, 874750, 1049700, 1312125, 1399600, 1749500, 2099400, 2624250, 3499000, 4198800, 5248500, 6998000, 10497000, 20994000]

約数ペア:

[(1, 20994000), (2, 10497000), (3, 6998000), (4, 5248500), (5, 4198800), (6, 3499000), (8, 2624250), (10, 2099400), (12, 1749500), (15, 1399600), (16, 1312125), (20, 1049700), (24, 874750), (25, 839760), (30, 699800), (40, 524850), (48, 437375), (50, 419880), (60, 349900), (75, 279920), (80, 262425), (100, 209940), (120, 174950), (125, 167952), (150, 139960), (200, 104970), (240, 87475), (250, 83976), (300, 69980), (375, 55984), (400, 52485), (500, 41988), (600, 34990), (750, 27992), (1000, 20994), (1200, 17495), (1500, 13996), (2000, 10497), (3000, 6998), (3499, 6000)]