20091690960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{69821}}^1$

素因数の和:69957

約数の個数: 160

約数和(自身を含む): 68570789760

約数和(自身を除く): 48479098800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 109, 110, 120, 132, 165, 176, 218, 220, 240, 264, 327, 330, 436, 440, 528, 545, 654, 660, 872, 880, 1090, 1199, 1308, 1320, 1635, 1744, 2180, 2398, 2616, 2640, 3270, 3597, 4360, 4796, 5232, 5995, 6540, 7194, 8720, 9592, 11990, 13080, 14388, 17985, 19184, 23980, 26160, 28776, 35970, 47960, 57552, 69821, 71940, 95920, 139642, 143880, 209463, 279284, 287760, 349105, 418926, 558568, 698210, 768031, 837852, 1047315, 1117136, 1396420, 1536062, 1675704, 2094630, 2304093, 2792840, 3072124, 3351408, 3840155, 4189260, 4608186, 5585680, 6144248, 7610489, 7680310, 8378520, 9216372, 11520465, 12288496, 15220978, 15360620, 16757040, 18432744, 22831467, 23040930, 30441956, 30721240, 36865488, 38052445, 45662934, 46081860, 60883912, 61442480, 76104890, 83715379, 91325868, 92163720, 114157335, 121767824, 152209780, 167430758, 182651736, 184327440, 228314670, 251146137, 304419560, 334861516, 365303472, 418576895, 456629340, 502292274, 608839120, 669723032, 837153790, 913258680, 1004584548, 1255730685, 1339446064, 1674307580, 1826517360, 2009169096, 2511461370, 3348615160, 4018338192, 5022922740, 6697230320, 10045845480, 20091690960]

約数ペア:

[(1, 20091690960), (2, 10045845480), (3, 6697230320), (4, 5022922740), (5, 4018338192), (6, 3348615160), (8, 2511461370), (10, 2009169096), (11, 1826517360), (12, 1674307580), (15, 1339446064), (16, 1255730685), (20, 1004584548), (22, 913258680), (24, 837153790), (30, 669723032), (33, 608839120), (40, 502292274), (44, 456629340), (48, 418576895), (55, 365303472), (60, 334861516), (66, 304419560), (80, 251146137), (88, 228314670), (109, 184327440), (110, 182651736), (120, 167430758), (132, 152209780), (165, 121767824), (176, 114157335), (218, 92163720), (220, 91325868), (240, 83715379), (264, 76104890), (327, 61442480), (330, 60883912), (436, 46081860), (440, 45662934), (528, 38052445), (545, 36865488), (654, 30721240), (660, 30441956), (872, 23040930), (880, 22831467), (1090, 18432744), (1199, 16757040), (1308, 15360620), (1320, 15220978), (1635, 12288496), (1744, 11520465), (2180, 9216372), (2398, 8378520), (2616, 7680310), (2640, 7610489), (3270, 6144248), (3597, 5585680), (4360, 4608186), (4796, 4189260), (5232, 3840155), (5995, 3351408), (6540, 3072124), (7194, 2792840), (8720, 2304093), (9592, 2094630), (11990, 1675704), (13080, 1536062), (14388, 1396420), (17985, 1117136), (19184, 1047315), (23980, 837852), (26160, 768031), (28776, 698210), (35970, 558568), (47960, 418926), (57552, 349105), (69821, 287760), (71940, 279284), (95920, 209463), (139642, 143880)]