20354857920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227989}}^1$

素因数の和:228043

約数の個数: 168

約数和(自身を含む): 72271006080

約数和(自身を除く): 51916148160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 22320, 29760, 44640, 89280, 227989, 455978, 683967, 911956, 1139945, 1367934, 1823912, 2051901, 2279890, 2735868, 3419835, 3647824, 4103802, 4559780, 5471736, 6839670, 7067659, 7295648, 8207604, 9119560, 10259505, 10943472, 13679340, 14135318, 14591296, 16415208, 18239120, 20519010, 21202977, 21886944, 27358680, 28270636, 32830416, 35338295, 36478240, 41038020, 42405954, 43773888, 54717360, 56541272, 63608931, 65660832, 70676590, 72956480, 82076040, 84811908, 106014885, 109434720, 113082544, 127217862, 131321664, 141353180, 164152080, 169623816, 212029770, 218869440, 226165088, 254435724, 282706360, 318044655, 328304160, 339247632, 424059540, 452330176, 508871448, 565412720, 636089310, 656608320, 678495264, 848119080, 1017742896, 1130825440, 1272178620, 1356990528, 1696238160, 2035485792, 2261650880, 2544357240, 3392476320, 4070971584, 5088714480, 6784952640, 10177428960, 20354857920]

約数ペア:

[(1, 20354857920), (2, 10177428960), (3, 6784952640), (4, 5088714480), (5, 4070971584), (6, 3392476320), (8, 2544357240), (9, 2261650880), (10, 2035485792), (12, 1696238160), (15, 1356990528), (16, 1272178620), (18, 1130825440), (20, 1017742896), (24, 848119080), (30, 678495264), (31, 656608320), (32, 636089310), (36, 565412720), (40, 508871448), (45, 452330176), (48, 424059540), (60, 339247632), (62, 328304160), (64, 318044655), (72, 282706360), (80, 254435724), (90, 226165088), (93, 218869440), (96, 212029770), (120, 169623816), (124, 164152080), (144, 141353180), (155, 131321664), (160, 127217862), (180, 113082544), (186, 109434720), (192, 106014885), (240, 84811908), (248, 82076040), (279, 72956480), (288, 70676590), (310, 65660832), (320, 63608931), (360, 56541272), (372, 54717360), (465, 43773888), (480, 42405954), (496, 41038020), (558, 36478240), (576, 35338295), (620, 32830416), (720, 28270636), (744, 27358680), (930, 21886944), (960, 21202977), (992, 20519010), (1116, 18239120), (1240, 16415208), (1395, 14591296), (1440, 14135318), (1488, 13679340), (1860, 10943472), (1984, 10259505), (2232, 9119560), (2480, 8207604), (2790, 7295648), (2880, 7067659), (2976, 6839670), (3720, 5471736), (4464, 4559780), (4960, 4103802), (5580, 3647824), (5952, 3419835), (7440, 2735868), (8928, 2279890), (9920, 2051901), (11160, 1823912), (14880, 1367934), (17856, 1139945), (22320, 911956), (29760, 683967), (44640, 455978), (89280, 227989)]