20467200

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 240

約数和(自身を含む): 74588976

約数和(自身を除く): 54121776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 41, 48, 50, 52, 60, 64, 65, 75, 78, 80, 82, 96, 100, 104, 120, 123, 128, 130, 150, 156, 160, 164, 192, 195, 200, 205, 208, 240, 246, 256, 260, 300, 312, 320, 325, 328, 384, 390, 400, 410, 416, 480, 492, 512, 520, 533, 600, 615, 624, 640, 650, 656, 768, 780, 800, 820, 832, 960, 975, 984, 1025, 1040, 1066, 1200, 1230, 1248, 1280, 1300, 1312, 1536, 1560, 1599, 1600, 1640, 1664, 1920, 1950, 1968, 2050, 2080, 2132, 2400, 2460, 2496, 2560, 2600, 2624, 2665, 3075, 3120, 3198, 3200, 3280, 3328, 3840, 3900, 3936, 4100, 4160, 4264, 4800, 4920, 4992, 5200, 5248, 5330, 6150, 6240, 6396, 6400, 6560, 6656, 7680, 7800, 7872, 7995, 8200, 8320, 8528, 9600, 9840, 9984, 10400, 10496, 10660, 12300, 12480, 12792, 12800, 13120, 13325, 15600, 15744, 15990, 16400, 16640, 17056, 19200, 19680, 19968, 20800, 20992, 21320, 24600, 24960, 25584, 26240, 26650, 31200, 31488, 31980, 32800, 33280, 34112, 38400, 39360, 39975, 41600, 42640, 49200, 49920, 51168, 52480, 53300, 62400, 62976, 63960, 65600, 68224, 78720, 79950, 83200, 85280, 98400, 99840, 102336, 104960, 106600, 124800, 127920, 131200, 136448, 157440, 159900, 166400, 170560, 196800, 204672, 213200, 249600, 255840, 262400, 272896, 314880, 319800, 341120, 393600, 409344, 426400, 499200, 511680, 524800, 639600, 682240, 787200, 818688, 852800, 1023360, 1279200, 1364480, 1574400, 1705600, 2046720, 2558400, 3411200, 4093440, 5116800, 6822400, 10233600, 20467200]

約数ペア:

[(1, 20467200), (2, 10233600), (3, 6822400), (4, 5116800), (5, 4093440), (6, 3411200), (8, 2558400), (10, 2046720), (12, 1705600), (13, 1574400), (15, 1364480), (16, 1279200), (20, 1023360), (24, 852800), (25, 818688), (26, 787200), (30, 682240), (32, 639600), (39, 524800), (40, 511680), (41, 499200), (48, 426400), (50, 409344), (52, 393600), (60, 341120), (64, 319800), (65, 314880), (75, 272896), (78, 262400), (80, 255840), (82, 249600), (96, 213200), (100, 204672), (104, 196800), (120, 170560), (123, 166400), (128, 159900), (130, 157440), (150, 136448), (156, 131200), (160, 127920), (164, 124800), (192, 106600), (195, 104960), (200, 102336), (205, 99840), (208, 98400), (240, 85280), (246, 83200), (256, 79950), (260, 78720), (300, 68224), (312, 65600), (320, 63960), (325, 62976), (328, 62400), (384, 53300), (390, 52480), (400, 51168), (410, 49920), (416, 49200), (480, 42640), (492, 41600), (512, 39975), (520, 39360), (533, 38400), (600, 34112), (615, 33280), (624, 32800), (640, 31980), (650, 31488), (656, 31200), (768, 26650), (780, 26240), (800, 25584), (820, 24960), (832, 24600), (960, 21320), (975, 20992), (984, 20800), (1025, 19968), (1040, 19680), (1066, 19200), (1200, 17056), (1230, 16640), (1248, 16400), (1280, 15990), (1300, 15744), (1312, 15600), (1536, 13325), (1560, 13120), (1599, 12800), (1600, 12792), (1640, 12480), (1664, 12300), (1920, 10660), (1950, 10496), (1968, 10400), (2050, 9984), (2080, 9840), (2132, 9600), (2400, 8528), (2460, 8320), (2496, 8200), (2560, 7995), (2600, 7872), (2624, 7800), (2665, 7680), (3075, 6656), (3120, 6560), (3198, 6400), (3200, 6396), (3280, 6240), (3328, 6150), (3840, 5330), (3900, 5248), (3936, 5200), (4100, 4992), (4160, 4920), (4264, 4800)]