20690400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 69464304

約数和(自身を除く): 48773904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 37, 40, 48, 50, 60, 74, 75, 80, 96, 100, 111, 120, 148, 150, 160, 185, 200, 222, 233, 240, 296, 300, 370, 400, 444, 466, 480, 555, 592, 600, 699, 740, 800, 888, 925, 932, 1110, 1165, 1184, 1200, 1398, 1480, 1776, 1850, 1864, 2220, 2330, 2400, 2775, 2796, 2960, 3495, 3552, 3700, 3728, 4440, 4660, 5550, 5592, 5825, 5920, 6990, 7400, 7456, 8621, 8880, 9320, 11100, 11184, 11650, 13980, 14800, 17242, 17475, 17760, 18640, 22200, 22368, 23300, 25863, 27960, 29600, 34484, 34950, 37280, 43105, 44400, 46600, 51726, 55920, 68968, 69900, 86210, 88800, 93200, 103452, 111840, 129315, 137936, 139800, 172420, 186400, 206904, 215525, 258630, 275872, 279600, 344840, 413808, 431050, 517260, 559200, 646575, 689680, 827616, 862100, 1034520, 1293150, 1379360, 1724200, 2069040, 2586300, 3448400, 4138080, 5172600, 6896800, 10345200, 20690400]

約数ペア:

[(1, 20690400), (2, 10345200), (3, 6896800), (4, 5172600), (5, 4138080), (6, 3448400), (8, 2586300), (10, 2069040), (12, 1724200), (15, 1379360), (16, 1293150), (20, 1034520), (24, 862100), (25, 827616), (30, 689680), (32, 646575), (37, 559200), (40, 517260), (48, 431050), (50, 413808), (60, 344840), (74, 279600), (75, 275872), (80, 258630), (96, 215525), (100, 206904), (111, 186400), (120, 172420), (148, 139800), (150, 137936), (160, 129315), (185, 111840), (200, 103452), (222, 93200), (233, 88800), (240, 86210), (296, 69900), (300, 68968), (370, 55920), (400, 51726), (444, 46600), (466, 44400), (480, 43105), (555, 37280), (592, 34950), (600, 34484), (699, 29600), (740, 27960), (800, 25863), (888, 23300), (925, 22368), (932, 22200), (1110, 18640), (1165, 17760), (1184, 17475), (1200, 17242), (1398, 14800), (1480, 13980), (1776, 11650), (1850, 11184), (1864, 11100), (2220, 9320), (2330, 8880), (2400, 8621), (2775, 7456), (2796, 7400), (2960, 6990), (3495, 5920), (3552, 5825), (3700, 5592), (3728, 5550), (4440, 4660)]