20444160

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{11}}^3$

素因数の和:61

約数の個数: 176

約数和(自身を含む): 71923392

約数和(自身を除く): 51479232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 256, 264, 320, 330, 352, 363, 384, 440, 480, 484, 512, 528, 605, 640, 660, 704, 726, 768, 880, 960, 968, 1024, 1056, 1210, 1280, 1320, 1331, 1408, 1452, 1536, 1760, 1815, 1920, 1936, 2112, 2420, 2560, 2640, 2662, 2816, 2904, 3072, 3520, 3630, 3840, 3872, 3993, 4224, 4840, 5120, 5280, 5324, 5632, 5808, 6655, 7040, 7260, 7680, 7744, 7986, 8448, 9680, 10560, 10648, 11264, 11616, 13310, 14080, 14520, 15360, 15488, 15972, 16896, 19360, 19965, 21120, 21296, 23232, 26620, 28160, 29040, 30976, 31944, 33792, 38720, 39930, 42240, 42592, 46464, 53240, 56320, 58080, 61952, 63888, 77440, 79860, 84480, 85184, 92928, 106480, 116160, 123904, 127776, 154880, 159720, 168960, 170368, 185856, 212960, 232320, 255552, 309760, 319440, 340736, 371712, 425920, 464640, 511104, 619520, 638880, 681472, 851840, 929280, 1022208, 1277760, 1362944, 1703680, 1858560, 2044416, 2555520, 3407360, 4088832, 5111040, 6814720, 10222080, 20444160]

約数ペア:

[(1, 20444160), (2, 10222080), (3, 6814720), (4, 5111040), (5, 4088832), (6, 3407360), (8, 2555520), (10, 2044416), (11, 1858560), (12, 1703680), (15, 1362944), (16, 1277760), (20, 1022208), (22, 929280), (24, 851840), (30, 681472), (32, 638880), (33, 619520), (40, 511104), (44, 464640), (48, 425920), (55, 371712), (60, 340736), (64, 319440), (66, 309760), (80, 255552), (88, 232320), (96, 212960), (110, 185856), (120, 170368), (121, 168960), (128, 159720), (132, 154880), (160, 127776), (165, 123904), (176, 116160), (192, 106480), (220, 92928), (240, 85184), (242, 84480), (256, 79860), (264, 77440), (320, 63888), (330, 61952), (352, 58080), (363, 56320), (384, 53240), (440, 46464), (480, 42592), (484, 42240), (512, 39930), (528, 38720), (605, 33792), (640, 31944), (660, 30976), (704, 29040), (726, 28160), (768, 26620), (880, 23232), (960, 21296), (968, 21120), (1024, 19965), (1056, 19360), (1210, 16896), (1280, 15972), (1320, 15488), (1331, 15360), (1408, 14520), (1452, 14080), (1536, 13310), (1760, 11616), (1815, 11264), (1920, 10648), (1936, 10560), (2112, 9680), (2420, 8448), (2560, 7986), (2640, 7744), (2662, 7680), (2816, 7260), (2904, 7040), (3072, 6655), (3520, 5808), (3630, 5632), (3840, 5324), (3872, 5280), (3993, 5120), (4224, 4840)]