20713508640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1307671}}^1$

素因数の和:1307703

約数の個数: 144

約数和(自身を含む): 77110802496

約数和(自身を除く): 56397293856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 1307671, 2615342, 3923013, 5230684, 6538355, 7846026, 10461368, 11769039, 13076710, 14384381, 15692052, 19615065, 20922736, 23538078, 26153420, 28768762, 31384104, 39230130, 41845472, 43153143, 47076156, 52306840, 57537524, 58845195, 62768208, 71921905, 78460260, 86306286, 94152312, 104613680, 115075048, 117690390, 125536416, 129459429, 143843810, 156920520, 172612572, 188304624, 209227360, 215765715, 230150096, 235380780, 258918858, 287687620, 313841040, 345225144, 376609248, 431531430, 460300192, 470761560, 517837716, 575375240, 627682080, 647297145, 690450288, 863062860, 941523120, 1035675432, 1150750480, 1294594290, 1380900576, 1726125720, 1883046240, 2071350864, 2301500960, 2589188580, 3452251440, 4142701728, 5178377160, 6904502880, 10356754320, 20713508640]

約数ペア:

[(1, 20713508640), (2, 10356754320), (3, 6904502880), (4, 5178377160), (5, 4142701728), (6, 3452251440), (8, 2589188580), (9, 2301500960), (10, 2071350864), (11, 1883046240), (12, 1726125720), (15, 1380900576), (16, 1294594290), (18, 1150750480), (20, 1035675432), (22, 941523120), (24, 863062860), (30, 690450288), (32, 647297145), (33, 627682080), (36, 575375240), (40, 517837716), (44, 470761560), (45, 460300192), (48, 431531430), (55, 376609248), (60, 345225144), (66, 313841040), (72, 287687620), (80, 258918858), (88, 235380780), (90, 230150096), (96, 215765715), (99, 209227360), (110, 188304624), (120, 172612572), (132, 156920520), (144, 143843810), (160, 129459429), (165, 125536416), (176, 117690390), (180, 115075048), (198, 104613680), (220, 94152312), (240, 86306286), (264, 78460260), (288, 71921905), (330, 62768208), (352, 58845195), (360, 57537524), (396, 52306840), (440, 47076156), (480, 43153143), (495, 41845472), (528, 39230130), (660, 31384104), (720, 28768762), (792, 26153420), (880, 23538078), (990, 20922736), (1056, 19615065), (1320, 15692052), (1440, 14384381), (1584, 13076710), (1760, 11769039), (1980, 10461368), (2640, 7846026), (3168, 6538355), (3960, 5230684), (5280, 3923013), (7920, 2615342), (15840, 1307671)]