20845200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:649

約数の個数: 120

約数和(自身を含む): 69192000

約数和(自身を除く): 48346800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 40, 48, 50, 58, 60, 75, 80, 87, 100, 116, 120, 145, 150, 174, 200, 232, 240, 290, 300, 348, 400, 435, 464, 580, 599, 600, 696, 725, 870, 1160, 1198, 1200, 1392, 1450, 1740, 1797, 2175, 2320, 2396, 2900, 2995, 3480, 3594, 4350, 4792, 5800, 5990, 6960, 7188, 8700, 8985, 9584, 11600, 11980, 14376, 14975, 17371, 17400, 17970, 23960, 28752, 29950, 34742, 34800, 35940, 44925, 47920, 52113, 59900, 69484, 71880, 86855, 89850, 104226, 119800, 138968, 143760, 173710, 179700, 208452, 239600, 260565, 277936, 347420, 359400, 416904, 434275, 521130, 694840, 718800, 833808, 868550, 1042260, 1302825, 1389680, 1737100, 2084520, 2605650, 3474200, 4169040, 5211300, 6948400, 10422600, 20845200]

約数ペア:

[(1, 20845200), (2, 10422600), (3, 6948400), (4, 5211300), (5, 4169040), (6, 3474200), (8, 2605650), (10, 2084520), (12, 1737100), (15, 1389680), (16, 1302825), (20, 1042260), (24, 868550), (25, 833808), (29, 718800), (30, 694840), (40, 521130), (48, 434275), (50, 416904), (58, 359400), (60, 347420), (75, 277936), (80, 260565), (87, 239600), (100, 208452), (116, 179700), (120, 173710), (145, 143760), (150, 138968), (174, 119800), (200, 104226), (232, 89850), (240, 86855), (290, 71880), (300, 69484), (348, 59900), (400, 52113), (435, 47920), (464, 44925), (580, 35940), (599, 34800), (600, 34742), (696, 29950), (725, 28752), (870, 23960), (1160, 17970), (1198, 17400), (1200, 17371), (1392, 14975), (1450, 14376), (1740, 11980), (1797, 11600), (2175, 9584), (2320, 8985), (2396, 8700), (2900, 7188), (2995, 6960), (3480, 5990), (3594, 5800), (4350, 4792)]