20728500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1063}}^1$

素因数の和:1098

約数の個数: 96

約数和(自身を含む): 65065728

約数和(自身を除く): 44337228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1063, 1300, 1500, 1625, 1950, 2126, 3189, 3250, 3900, 4252, 4875, 5315, 6378, 6500, 9750, 10630, 12756, 13819, 15945, 19500, 21260, 26575, 27638, 31890, 41457, 53150, 55276, 63780, 69095, 79725, 82914, 106300, 132875, 138190, 159450, 165828, 207285, 265750, 276380, 318900, 345475, 398625, 414570, 531500, 690950, 797250, 829140, 1036425, 1381900, 1594500, 1727375, 2072850, 3454750, 4145700, 5182125, 6909500, 10364250, 20728500]

約数ペア:

[(1, 20728500), (2, 10364250), (3, 6909500), (4, 5182125), (5, 4145700), (6, 3454750), (10, 2072850), (12, 1727375), (13, 1594500), (15, 1381900), (20, 1036425), (25, 829140), (26, 797250), (30, 690950), (39, 531500), (50, 414570), (52, 398625), (60, 345475), (65, 318900), (75, 276380), (78, 265750), (100, 207285), (125, 165828), (130, 159450), (150, 138190), (156, 132875), (195, 106300), (250, 82914), (260, 79725), (300, 69095), (325, 63780), (375, 55276), (390, 53150), (500, 41457), (650, 31890), (750, 27638), (780, 26575), (975, 21260), (1063, 19500), (1300, 15945), (1500, 13819), (1625, 12756), (1950, 10630), (2126, 9750), (3189, 6500), (3250, 6378), (3900, 5315), (4252, 4875)]