20771400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2663}}^1$

素因数の和:2695

約数の個数: 96

約数和(自身を含む): 69370560

約数和(自身を除く): 48599160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2663, 3900, 5326, 7800, 7989, 10652, 13315, 15978, 21304, 26630, 31956, 34619, 39945, 53260, 63912, 66575, 69238, 79890, 103857, 106520, 133150, 138476, 159780, 173095, 199725, 207714, 266300, 276952, 319560, 346190, 399450, 415428, 519285, 532600, 692380, 798900, 830856, 865475, 1038570, 1384760, 1597800, 1730950, 2077140, 2596425, 3461900, 4154280, 5192850, 6923800, 10385700, 20771400]

約数ペア:

[(1, 20771400), (2, 10385700), (3, 6923800), (4, 5192850), (5, 4154280), (6, 3461900), (8, 2596425), (10, 2077140), (12, 1730950), (13, 1597800), (15, 1384760), (20, 1038570), (24, 865475), (25, 830856), (26, 798900), (30, 692380), (39, 532600), (40, 519285), (50, 415428), (52, 399450), (60, 346190), (65, 319560), (75, 276952), (78, 266300), (100, 207714), (104, 199725), (120, 173095), (130, 159780), (150, 138476), (156, 133150), (195, 106520), (200, 103857), (260, 79890), (300, 69238), (312, 66575), (325, 63912), (390, 53260), (520, 39945), (600, 34619), (650, 31956), (780, 26630), (975, 21304), (1300, 15978), (1560, 13315), (1950, 10652), (2600, 7989), (2663, 7800), (3900, 5326)]