20814239520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34171}}^1$

素因数の和:34245

約数の個数: 240

約数和(自身を含む): 75022028928

約数和(自身を除く): 54207789408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 96, 108, 120, 135, 141, 144, 160, 162, 180, 188, 216, 235, 240, 270, 282, 288, 324, 360, 376, 405, 423, 432, 470, 480, 540, 564, 648, 705, 720, 752, 810, 846, 864, 940, 1080, 1128, 1269, 1296, 1410, 1440, 1504, 1620, 1692, 1880, 2115, 2160, 2256, 2538, 2592, 2820, 3240, 3384, 3760, 3807, 4230, 4320, 4512, 5076, 5640, 6345, 6480, 6768, 7520, 7614, 8460, 10152, 11280, 12690, 12960, 13536, 15228, 16920, 19035, 20304, 22560, 25380, 30456, 33840, 34171, 38070, 40608, 50760, 60912, 67680, 68342, 76140, 101520, 102513, 121824, 136684, 152280, 170855, 203040, 205026, 273368, 304560, 307539, 341710, 410052, 512565, 546736, 609120, 615078, 683420, 820104, 922617, 1025130, 1093472, 1230156, 1366840, 1537695, 1606037, 1640208, 1845234, 2050260, 2460312, 2733680, 2767851, 3075390, 3212074, 3280416, 3690468, 4100520, 4613085, 4818111, 4920624, 5467360, 5535702, 6150780, 6424148, 7380936, 8030185, 8201040, 9226170, 9636222, 9841248, 11071404, 12301560, 12848296, 13839255, 14454333, 14761872, 16060370, 16402080, 18452340, 19272444, 22142808, 24090555, 24603120, 25696592, 27678510, 28908666, 29523744, 32120740, 36904680, 38544888, 43362999, 44285616, 48181110, 49206240, 51393184, 55357020, 57817332, 64241480, 72271665, 73809360, 77089776, 86725998, 88571232, 96362220, 110714040, 115634664, 128482960, 130088997, 144543330, 147618720, 154179552, 173451996, 192724440, 216814995, 221428080, 231269328, 256965920, 260177994, 289086660, 346903992, 385448880, 433629990, 442856160, 462538656, 520355988, 578173320, 650444985, 693807984, 770897760, 867259980, 1040711976, 1156346640, 1300889970, 1387615968, 1734519960, 2081423952, 2312693280, 2601779940, 3469039920, 4162847904, 5203559880, 6938079840, 10407119760, 20814239520]

約数ペア:

[(1, 20814239520), (2, 10407119760), (3, 6938079840), (4, 5203559880), (5, 4162847904), (6, 3469039920), (8, 2601779940), (9, 2312693280), (10, 2081423952), (12, 1734519960), (15, 1387615968), (16, 1300889970), (18, 1156346640), (20, 1040711976), (24, 867259980), (27, 770897760), (30, 693807984), (32, 650444985), (36, 578173320), (40, 520355988), (45, 462538656), (47, 442856160), (48, 433629990), (54, 385448880), (60, 346903992), (72, 289086660), (80, 260177994), (81, 256965920), (90, 231269328), (94, 221428080), (96, 216814995), (108, 192724440), (120, 173451996), (135, 154179552), (141, 147618720), (144, 144543330), (160, 130088997), (162, 128482960), (180, 115634664), (188, 110714040), (216, 96362220), (235, 88571232), (240, 86725998), (270, 77089776), (282, 73809360), (288, 72271665), (324, 64241480), (360, 57817332), (376, 55357020), (405, 51393184), (423, 49206240), (432, 48181110), (470, 44285616), (480, 43362999), (540, 38544888), (564, 36904680), (648, 32120740), (705, 29523744), (720, 28908666), (752, 27678510), (810, 25696592), (846, 24603120), (864, 24090555), (940, 22142808), (1080, 19272444), (1128, 18452340), (1269, 16402080), (1296, 16060370), (1410, 14761872), (1440, 14454333), (1504, 13839255), (1620, 12848296), (1692, 12301560), (1880, 11071404), (2115, 9841248), (2160, 9636222), (2256, 9226170), (2538, 8201040), (2592, 8030185), (2820, 7380936), (3240, 6424148), (3384, 6150780), (3760, 5535702), (3807, 5467360), (4230, 4920624), (4320, 4818111), (4512, 4613085), (5076, 4100520), (5640, 3690468), (6345, 3280416), (6480, 3212074), (6768, 3075390), (7520, 2767851), (7614, 2733680), (8460, 2460312), (10152, 2050260), (11280, 1845234), (12690, 1640208), (12960, 1606037), (13536, 1537695), (15228, 1366840), (16920, 1230156), (19035, 1093472), (20304, 1025130), (22560, 922617), (25380, 820104), (30456, 683420), (33840, 615078), (34171, 609120), (38070, 546736), (40608, 512565), (50760, 410052), (60912, 341710), (67680, 307539), (68342, 304560), (76140, 273368), (101520, 205026), (102513, 203040), (121824, 170855), (136684, 152280)]