20755314720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{686353}}^1$

素因数の和:686384

約数の個数: 192

約数和(自身を含む): 83021379840

約数和(自身を除く): 62266065120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 686353, 1372706, 2059059, 2745412, 3431765, 4118118, 4804471, 5490824, 6177177, 6863530, 8236236, 9608942, 10295295, 10981648, 12354354, 13727060, 14413413, 16472472, 18531531, 19217884, 20590590, 21963296, 24022355, 24708708, 27454120, 28826826, 30885885, 32944944, 37063062, 38435768, 41181180, 43240239, 48044710, 49417416, 54908240, 57653652, 61771770, 65889888, 72067065, 74126124, 76871536, 82362360, 86480478, 92657655, 96089420, 98834832, 109816480, 115307304, 123543540, 129720717, 144134130, 148252248, 153743072, 164724720, 172960956, 185315310, 192178840, 197669664, 216201195, 230614608, 247087080, 259441434, 288268260, 296504496, 329449440, 345921912, 370630620, 384357680, 432402390, 461229216, 494174160, 518882868, 576536520, 593008992, 648603585, 691843824, 741261240, 768715360, 864804780, 988348320, 1037765736, 1153073040, 1297207170, 1383687648, 1482522480, 1729609560, 2075531472, 2306146080, 2594414340, 2965044960, 3459219120, 4151062944, 5188828680, 6918438240, 10377657360, 20755314720]

約数ペア:

[(1, 20755314720), (2, 10377657360), (3, 6918438240), (4, 5188828680), (5, 4151062944), (6, 3459219120), (7, 2965044960), (8, 2594414340), (9, 2306146080), (10, 2075531472), (12, 1729609560), (14, 1482522480), (15, 1383687648), (16, 1297207170), (18, 1153073040), (20, 1037765736), (21, 988348320), (24, 864804780), (27, 768715360), (28, 741261240), (30, 691843824), (32, 648603585), (35, 593008992), (36, 576536520), (40, 518882868), (42, 494174160), (45, 461229216), (48, 432402390), (54, 384357680), (56, 370630620), (60, 345921912), (63, 329449440), (70, 296504496), (72, 288268260), (80, 259441434), (84, 247087080), (90, 230614608), (96, 216201195), (105, 197669664), (108, 192178840), (112, 185315310), (120, 172960956), (126, 164724720), (135, 153743072), (140, 148252248), (144, 144134130), (160, 129720717), (168, 123543540), (180, 115307304), (189, 109816480), (210, 98834832), (216, 96089420), (224, 92657655), (240, 86480478), (252, 82362360), (270, 76871536), (280, 74126124), (288, 72067065), (315, 65889888), (336, 61771770), (360, 57653652), (378, 54908240), (420, 49417416), (432, 48044710), (480, 43240239), (504, 41181180), (540, 38435768), (560, 37063062), (630, 32944944), (672, 30885885), (720, 28826826), (756, 27454120), (840, 24708708), (864, 24022355), (945, 21963296), (1008, 20590590), (1080, 19217884), (1120, 18531531), (1260, 16472472), (1440, 14413413), (1512, 13727060), (1680, 12354354), (1890, 10981648), (2016, 10295295), (2160, 9608942), (2520, 8236236), (3024, 6863530), (3360, 6177177), (3780, 5490824), (4320, 4804471), (5040, 4118118), (6048, 3431765), (7560, 2745412), (10080, 2059059), (15120, 1372706), (30240, 686353)]