20584320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 66977280

約数和(自身を除く): 46392960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 151, 160, 192, 213, 240, 284, 302, 320, 355, 384, 426, 453, 480, 568, 604, 640, 710, 755, 852, 906, 960, 1065, 1136, 1208, 1420, 1510, 1704, 1812, 1920, 2130, 2265, 2272, 2416, 2840, 3020, 3408, 3624, 4260, 4530, 4544, 4832, 5680, 6040, 6816, 7248, 8520, 9060, 9088, 9664, 10721, 11360, 12080, 13632, 14496, 17040, 18120, 19328, 21442, 22720, 24160, 27264, 28992, 32163, 34080, 36240, 42884, 45440, 48320, 53605, 57984, 64326, 68160, 72480, 85768, 96640, 107210, 128652, 136320, 144960, 160815, 171536, 214420, 257304, 289920, 321630, 343072, 428840, 514608, 643260, 686144, 857680, 1029216, 1286520, 1372288, 1715360, 2058432, 2573040, 3430720, 4116864, 5146080, 6861440, 10292160, 20584320]

約数ペア:

[(1, 20584320), (2, 10292160), (3, 6861440), (4, 5146080), (5, 4116864), (6, 3430720), (8, 2573040), (10, 2058432), (12, 1715360), (15, 1372288), (16, 1286520), (20, 1029216), (24, 857680), (30, 686144), (32, 643260), (40, 514608), (48, 428840), (60, 343072), (64, 321630), (71, 289920), (80, 257304), (96, 214420), (120, 171536), (128, 160815), (142, 144960), (151, 136320), (160, 128652), (192, 107210), (213, 96640), (240, 85768), (284, 72480), (302, 68160), (320, 64326), (355, 57984), (384, 53605), (426, 48320), (453, 45440), (480, 42884), (568, 36240), (604, 34080), (640, 32163), (710, 28992), (755, 27264), (852, 24160), (906, 22720), (960, 21442), (1065, 19328), (1136, 18120), (1208, 17040), (1420, 14496), (1510, 13632), (1704, 12080), (1812, 11360), (1920, 10721), (2130, 9664), (2265, 9088), (2272, 9060), (2416, 8520), (2840, 7248), (3020, 6816), (3408, 6040), (3624, 5680), (4260, 4832), (4530, 4544)]