20439000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{757}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 70948800

約数和(自身を除く): 50509800

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, 757, 900, 1000, 1080, 1125, 1350, 1500, 1514, 1800, 2250, 2271, 2700, 3000, 3028, 3375, 3785, 4500, 4542, 5400, 6056, 6750, 6813, 7570, 9000, 9084, 11355, 13500, 13626, 15140, 18168, 18925, 20439, 22710, 27000, 27252, 30280, 34065, 37850, 40878, 45420, 54504, 56775, 68130, 75700, 81756, 90840, 94625, 102195, 113550, 136260, 151400, 163512, 170325, 189250, 204390, 227100, 272520, 283875, 340650, 378500, 408780, 454200, 510975, 567750, 681300, 757000, 817560, 851625, 1021950, 1135500, 1362600, 1703250, 2043900, 2271000, 2554875, 3406500, 4087800, 5109750, 6813000, 10219500, 20439000]

約数ペア:

[(1, 20439000), (2, 10219500), (3, 6813000), (4, 5109750), (5, 4087800), (6, 3406500), (8, 2554875), (9, 2271000), (10, 2043900), (12, 1703250), (15, 1362600), (18, 1135500), (20, 1021950), (24, 851625), (25, 817560), (27, 757000), (30, 681300), (36, 567750), (40, 510975), (45, 454200), (50, 408780), (54, 378500), (60, 340650), (72, 283875), (75, 272520), (90, 227100), (100, 204390), (108, 189250), (120, 170325), (125, 163512), (135, 151400), (150, 136260), (180, 113550), (200, 102195), (216, 94625), (225, 90840), (250, 81756), (270, 75700), (300, 68130), (360, 56775), (375, 54504), (450, 45420), (500, 40878), (540, 37850), (600, 34065), (675, 30280), (750, 27252), (757, 27000), (900, 22710), (1000, 20439), (1080, 18925), (1125, 18168), (1350, 15140), (1500, 13626), (1514, 13500), (1800, 11355), (2250, 9084), (2271, 9000), (2700, 7570), (3000, 6813), (3028, 6750), (3375, 6056), (3785, 5400), (4500, 4542)]