20567040

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 176

約数和(自身を含む): 71530368

約数和(自身を除く): 50963328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 103, 104, 120, 128, 130, 156, 160, 192, 195, 206, 208, 240, 256, 260, 309, 312, 320, 384, 390, 412, 416, 480, 512, 515, 520, 618, 624, 640, 768, 780, 824, 832, 960, 1024, 1030, 1040, 1236, 1248, 1280, 1339, 1536, 1545, 1560, 1648, 1664, 1920, 2060, 2080, 2472, 2496, 2560, 2678, 3072, 3090, 3120, 3296, 3328, 3840, 4017, 4120, 4160, 4944, 4992, 5120, 5356, 6180, 6240, 6592, 6656, 6695, 7680, 8034, 8240, 8320, 9888, 9984, 10712, 12360, 12480, 13184, 13312, 13390, 15360, 16068, 16480, 16640, 19776, 19968, 20085, 21424, 24720, 24960, 26368, 26780, 32136, 32960, 33280, 39552, 39936, 40170, 42848, 49440, 49920, 52736, 53560, 64272, 65920, 66560, 79104, 80340, 85696, 98880, 99840, 105472, 107120, 128544, 131840, 158208, 160680, 171392, 197760, 199680, 214240, 257088, 263680, 316416, 321360, 342784, 395520, 428480, 514176, 527360, 642720, 685568, 791040, 856960, 1028352, 1285440, 1371136, 1582080, 1713920, 2056704, 2570880, 3427840, 4113408, 5141760, 6855680, 10283520, 20567040]

約数ペア:

[(1, 20567040), (2, 10283520), (3, 6855680), (4, 5141760), (5, 4113408), (6, 3427840), (8, 2570880), (10, 2056704), (12, 1713920), (13, 1582080), (15, 1371136), (16, 1285440), (20, 1028352), (24, 856960), (26, 791040), (30, 685568), (32, 642720), (39, 527360), (40, 514176), (48, 428480), (52, 395520), (60, 342784), (64, 321360), (65, 316416), (78, 263680), (80, 257088), (96, 214240), (103, 199680), (104, 197760), (120, 171392), (128, 160680), (130, 158208), (156, 131840), (160, 128544), (192, 107120), (195, 105472), (206, 99840), (208, 98880), (240, 85696), (256, 80340), (260, 79104), (309, 66560), (312, 65920), (320, 64272), (384, 53560), (390, 52736), (412, 49920), (416, 49440), (480, 42848), (512, 40170), (515, 39936), (520, 39552), (618, 33280), (624, 32960), (640, 32136), (768, 26780), (780, 26368), (824, 24960), (832, 24720), (960, 21424), (1024, 20085), (1030, 19968), (1040, 19776), (1236, 16640), (1248, 16480), (1280, 16068), (1339, 15360), (1536, 13390), (1545, 13312), (1560, 13184), (1648, 12480), (1664, 12360), (1920, 10712), (2060, 9984), (2080, 9888), (2472, 8320), (2496, 8240), (2560, 8034), (2678, 7680), (3072, 6695), (3090, 6656), (3120, 6592), (3296, 6240), (3328, 6180), (3840, 5356), (4017, 5120), (4120, 4992), (4160, 4944)]