20774600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 64281600

約数和(自身を除く): 43507000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 40, 44, 50, 55, 56, 70, 71, 76, 77, 88, 95, 100, 110, 133, 140, 142, 152, 154, 175, 190, 200, 209, 220, 266, 275, 280, 284, 308, 350, 355, 380, 385, 418, 440, 475, 497, 532, 550, 568, 616, 665, 700, 710, 760, 770, 781, 836, 950, 994, 1045, 1064, 1100, 1330, 1349, 1400, 1420, 1463, 1540, 1562, 1672, 1775, 1900, 1925, 1988, 2090, 2200, 2485, 2660, 2698, 2840, 2926, 3080, 3124, 3325, 3550, 3800, 3850, 3905, 3976, 4180, 4970, 5225, 5320, 5396, 5467, 5852, 6248, 6650, 6745, 7100, 7315, 7700, 7810, 8360, 9443, 9940, 10450, 10792, 10934, 11704, 12425, 13300, 13490, 14200, 14630, 14839, 15400, 15620, 18886, 19525, 19880, 20900, 21868, 24850, 26600, 26980, 27335, 29260, 29678, 31240, 33725, 36575, 37772, 39050, 41800, 43736, 47215, 49700, 53960, 54670, 58520, 59356, 67450, 73150, 74195, 75544, 78100, 94430, 99400, 103873, 109340, 118712, 134900, 136675, 146300, 148390, 156200, 188860, 207746, 218680, 236075, 269800, 273350, 292600, 296780, 370975, 377720, 415492, 472150, 519365, 546700, 593560, 741950, 830984, 944300, 1038730, 1093400, 1483900, 1888600, 2077460, 2596825, 2967800, 4154920, 5193650, 10387300, 20774600]

約数ペア:

[(1, 20774600), (2, 10387300), (4, 5193650), (5, 4154920), (7, 2967800), (8, 2596825), (10, 2077460), (11, 1888600), (14, 1483900), (19, 1093400), (20, 1038730), (22, 944300), (25, 830984), (28, 741950), (35, 593560), (38, 546700), (40, 519365), (44, 472150), (50, 415492), (55, 377720), (56, 370975), (70, 296780), (71, 292600), (76, 273350), (77, 269800), (88, 236075), (95, 218680), (100, 207746), (110, 188860), (133, 156200), (140, 148390), (142, 146300), (152, 136675), (154, 134900), (175, 118712), (190, 109340), (200, 103873), (209, 99400), (220, 94430), (266, 78100), (275, 75544), (280, 74195), (284, 73150), (308, 67450), (350, 59356), (355, 58520), (380, 54670), (385, 53960), (418, 49700), (440, 47215), (475, 43736), (497, 41800), (532, 39050), (550, 37772), (568, 36575), (616, 33725), (665, 31240), (700, 29678), (710, 29260), (760, 27335), (770, 26980), (781, 26600), (836, 24850), (950, 21868), (994, 20900), (1045, 19880), (1064, 19525), (1100, 18886), (1330, 15620), (1349, 15400), (1400, 14839), (1420, 14630), (1463, 14200), (1540, 13490), (1562, 13300), (1672, 12425), (1775, 11704), (1900, 10934), (1925, 10792), (1988, 10450), (2090, 9940), (2200, 9443), (2485, 8360), (2660, 7810), (2698, 7700), (2840, 7315), (2926, 7100), (3080, 6745), (3124, 6650), (3325, 6248), (3550, 5852), (3800, 5467), (3850, 5396), (3905, 5320), (3976, 5225), (4180, 4970)]