20281609920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{147739}}^1$

素因数の和:147783

約数の個数: 224

約数和(自身を含む): 75652335360

約数和(自身を除く): 55370725440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 240, 260, 264, 286, 312, 320, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 660, 704, 715, 780, 832, 858, 880, 960, 1040, 1056, 1144, 1248, 1320, 1430, 1560, 1716, 1760, 2080, 2112, 2145, 2288, 2496, 2640, 2860, 3120, 3432, 3520, 4160, 4290, 4576, 5280, 5720, 6240, 6864, 8580, 9152, 10560, 11440, 12480, 13728, 17160, 22880, 27456, 34320, 45760, 68640, 137280, 147739, 295478, 443217, 590956, 738695, 886434, 1181912, 1477390, 1625129, 1772868, 1920607, 2216085, 2363824, 2954780, 3250258, 3545736, 3841214, 4432170, 4727648, 4875387, 5761821, 5909560, 6500516, 7091472, 7682428, 8125645, 8864340, 9455296, 9603035, 9750774, 11523642, 11819120, 13001032, 14182944, 15364856, 16251290, 17728680, 19206070, 19501548, 21126677, 23047284, 23638240, 24376935, 26002064, 28365888, 28809105, 30729712, 32502580, 35457360, 38412140, 39003096, 42253354, 46094568, 47276480, 48753870, 52004128, 57618210, 61459424, 63380031, 65005160, 70914720, 76824280, 78006192, 84506708, 92189136, 97507740, 104008256, 105633385, 115236420, 122918848, 126760062, 130010320, 141829440, 153648560, 156012384, 169013416, 184378272, 195015480, 211266770, 230472840, 253520124, 260020640, 307297120, 312024768, 316900155, 338026832, 368756544, 390030960, 422533540, 460945680, 507040248, 520041280, 614594240, 633800310, 676053664, 780061920, 845067080, 921891360, 1014080496, 1267600620, 1352107328, 1560123840, 1690134160, 1843782720, 2028160992, 2535201240, 3380268320, 4056321984, 5070402480, 6760536640, 10140804960, 20281609920]

約数ペア:

[(1, 20281609920), (2, 10140804960), (3, 6760536640), (4, 5070402480), (5, 4056321984), (6, 3380268320), (8, 2535201240), (10, 2028160992), (11, 1843782720), (12, 1690134160), (13, 1560123840), (15, 1352107328), (16, 1267600620), (20, 1014080496), (22, 921891360), (24, 845067080), (26, 780061920), (30, 676053664), (32, 633800310), (33, 614594240), (39, 520041280), (40, 507040248), (44, 460945680), (48, 422533540), (52, 390030960), (55, 368756544), (60, 338026832), (64, 316900155), (65, 312024768), (66, 307297120), (78, 260020640), (80, 253520124), (88, 230472840), (96, 211266770), (104, 195015480), (110, 184378272), (120, 169013416), (130, 156012384), (132, 153648560), (143, 141829440), (156, 130010320), (160, 126760062), (165, 122918848), (176, 115236420), (192, 105633385), (195, 104008256), (208, 97507740), (220, 92189136), (240, 84506708), (260, 78006192), (264, 76824280), (286, 70914720), (312, 65005160), (320, 63380031), (330, 61459424), (352, 57618210), (390, 52004128), (416, 48753870), (429, 47276480), (440, 46094568), (480, 42253354), (520, 39003096), (528, 38412140), (572, 35457360), (624, 32502580), (660, 30729712), (704, 28809105), (715, 28365888), (780, 26002064), (832, 24376935), (858, 23638240), (880, 23047284), (960, 21126677), (1040, 19501548), (1056, 19206070), (1144, 17728680), (1248, 16251290), (1320, 15364856), (1430, 14182944), (1560, 13001032), (1716, 11819120), (1760, 11523642), (2080, 9750774), (2112, 9603035), (2145, 9455296), (2288, 8864340), (2496, 8125645), (2640, 7682428), (2860, 7091472), (3120, 6500516), (3432, 5909560), (3520, 5761821), (4160, 4875387), (4290, 4727648), (4576, 4432170), (5280, 3841214), (5720, 3545736), (6240, 3250258), (6864, 2954780), (8580, 2363824), (9152, 2216085), (10560, 1920607), (11440, 1772868), (12480, 1625129), (13728, 1477390), (17160, 1181912), (22880, 886434), (27456, 738695), (34320, 590956), (45760, 443217), (68640, 295478), (137280, 147739)]