20632320

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{199}}^1$

素因数の和:232

約数の個数: 180

約数和(自身を含む): 74197200

約数和(自身を除く): 53564880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 199, 216, 240, 256, 270, 288, 320, 324, 360, 384, 398, 405, 432, 480, 540, 576, 597, 640, 648, 720, 768, 796, 810, 864, 960, 995, 1080, 1152, 1194, 1280, 1296, 1440, 1592, 1620, 1728, 1791, 1920, 1990, 2160, 2304, 2388, 2592, 2880, 2985, 3184, 3240, 3456, 3582, 3840, 3980, 4320, 4776, 5184, 5373, 5760, 5970, 6368, 6480, 6912, 7164, 7960, 8640, 8955, 9552, 10368, 10746, 11520, 11940, 12736, 12960, 14328, 15920, 16119, 17280, 17910, 19104, 20736, 21492, 23880, 25472, 25920, 26865, 28656, 31840, 32238, 34560, 35820, 38208, 42984, 47760, 50944, 51840, 53730, 57312, 63680, 64476, 71640, 76416, 80595, 85968, 95520, 103680, 107460, 114624, 127360, 128952, 143280, 152832, 161190, 171936, 191040, 214920, 229248, 254720, 257904, 286560, 322380, 343872, 382080, 429840, 458496, 515808, 573120, 644760, 687744, 764160, 859680, 1031616, 1146240, 1289520, 1375488, 1719360, 2063232, 2292480, 2579040, 3438720, 4126464, 5158080, 6877440, 10316160, 20632320]

約数ペア:

[(1, 20632320), (2, 10316160), (3, 6877440), (4, 5158080), (5, 4126464), (6, 3438720), (8, 2579040), (9, 2292480), (10, 2063232), (12, 1719360), (15, 1375488), (16, 1289520), (18, 1146240), (20, 1031616), (24, 859680), (27, 764160), (30, 687744), (32, 644760), (36, 573120), (40, 515808), (45, 458496), (48, 429840), (54, 382080), (60, 343872), (64, 322380), (72, 286560), (80, 257904), (81, 254720), (90, 229248), (96, 214920), (108, 191040), (120, 171936), (128, 161190), (135, 152832), (144, 143280), (160, 128952), (162, 127360), (180, 114624), (192, 107460), (199, 103680), (216, 95520), (240, 85968), (256, 80595), (270, 76416), (288, 71640), (320, 64476), (324, 63680), (360, 57312), (384, 53730), (398, 51840), (405, 50944), (432, 47760), (480, 42984), (540, 38208), (576, 35820), (597, 34560), (640, 32238), (648, 31840), (720, 28656), (768, 26865), (796, 25920), (810, 25472), (864, 23880), (960, 21492), (995, 20736), (1080, 19104), (1152, 17910), (1194, 17280), (1280, 16119), (1296, 15920), (1440, 14328), (1592, 12960), (1620, 12736), (1728, 11940), (1791, 11520), (1920, 10746), (1990, 10368), (2160, 9552), (2304, 8955), (2388, 8640), (2592, 7960), (2880, 7164), (2985, 6912), (3184, 6480), (3240, 6368), (3456, 5970), (3582, 5760), (3840, 5373), (3980, 5184), (4320, 4776)]