20956800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 72093600

約数和(自身を除く): 51136800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 37, 40, 48, 50, 59, 60, 64, 74, 75, 80, 96, 100, 111, 118, 120, 128, 148, 150, 160, 177, 185, 192, 200, 222, 236, 240, 295, 296, 300, 320, 354, 370, 384, 400, 444, 472, 480, 555, 590, 592, 600, 640, 708, 740, 800, 885, 888, 925, 944, 960, 1110, 1180, 1184, 1200, 1416, 1475, 1480, 1600, 1770, 1776, 1850, 1888, 1920, 2183, 2220, 2360, 2368, 2400, 2775, 2832, 2950, 2960, 3200, 3540, 3552, 3700, 3776, 4366, 4425, 4440, 4720, 4736, 4800, 5550, 5664, 5900, 5920, 6549, 7080, 7104, 7400, 7552, 8732, 8850, 8880, 9440, 9600, 10915, 11100, 11328, 11800, 11840, 13098, 14160, 14208, 14800, 17464, 17700, 17760, 18880, 21830, 22200, 22656, 23600, 23680, 26196, 28320, 29600, 32745, 34928, 35400, 35520, 37760, 43660, 44400, 47200, 52392, 54575, 56640, 59200, 65490, 69856, 70800, 71040, 87320, 88800, 94400, 104784, 109150, 113280, 118400, 130980, 139712, 141600, 163725, 174640, 177600, 188800, 209568, 218300, 261960, 279424, 283200, 327450, 349280, 355200, 419136, 436600, 523920, 566400, 654900, 698560, 838272, 873200, 1047840, 1309800, 1397120, 1746400, 2095680, 2619600, 3492800, 4191360, 5239200, 6985600, 10478400, 20956800]

約数ペア:

[(1, 20956800), (2, 10478400), (3, 6985600), (4, 5239200), (5, 4191360), (6, 3492800), (8, 2619600), (10, 2095680), (12, 1746400), (15, 1397120), (16, 1309800), (20, 1047840), (24, 873200), (25, 838272), (30, 698560), (32, 654900), (37, 566400), (40, 523920), (48, 436600), (50, 419136), (59, 355200), (60, 349280), (64, 327450), (74, 283200), (75, 279424), (80, 261960), (96, 218300), (100, 209568), (111, 188800), (118, 177600), (120, 174640), (128, 163725), (148, 141600), (150, 139712), (160, 130980), (177, 118400), (185, 113280), (192, 109150), (200, 104784), (222, 94400), (236, 88800), (240, 87320), (295, 71040), (296, 70800), (300, 69856), (320, 65490), (354, 59200), (370, 56640), (384, 54575), (400, 52392), (444, 47200), (472, 44400), (480, 43660), (555, 37760), (590, 35520), (592, 35400), (600, 34928), (640, 32745), (708, 29600), (740, 28320), (800, 26196), (885, 23680), (888, 23600), (925, 22656), (944, 22200), (960, 21830), (1110, 18880), (1180, 17760), (1184, 17700), (1200, 17464), (1416, 14800), (1475, 14208), (1480, 14160), (1600, 13098), (1770, 11840), (1776, 11800), (1850, 11328), (1888, 11100), (1920, 10915), (2183, 9600), (2220, 9440), (2360, 8880), (2368, 8850), (2400, 8732), (2775, 7552), (2832, 7400), (2950, 7104), (2960, 7080), (3200, 6549), (3540, 5920), (3552, 5900), (3700, 5664), (3776, 5550), (4366, 4800), (4425, 4736), (4440, 4720)]