20342880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 75660480

約数和(自身を除く): 55317600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 204, 216, 240, 255, 270, 272, 277, 288, 306, 340, 360, 408, 432, 459, 480, 510, 540, 544, 554, 612, 680, 720, 765, 816, 831, 864, 918, 1020, 1080, 1108, 1224, 1360, 1385, 1440, 1530, 1632, 1662, 1836, 2040, 2160, 2216, 2295, 2448, 2493, 2720, 2770, 3060, 3324, 3672, 4080, 4155, 4320, 4432, 4590, 4709, 4896, 4986, 5540, 6120, 6648, 7344, 7479, 8160, 8310, 8864, 9180, 9418, 9972, 11080, 12240, 12465, 13296, 14127, 14688, 14958, 16620, 18360, 18836, 19944, 22160, 23545, 24480, 24930, 26592, 28254, 29916, 33240, 36720, 37395, 37672, 39888, 42381, 44320, 47090, 49860, 56508, 59832, 66480, 70635, 73440, 74790, 75344, 79776, 84762, 94180, 99720, 113016, 119664, 127143, 132960, 141270, 149580, 150688, 169524, 188360, 199440, 211905, 226032, 239328, 254286, 282540, 299160, 339048, 376720, 398880, 423810, 452064, 508572, 565080, 598320, 635715, 678096, 753440, 847620, 1017144, 1130160, 1196640, 1271430, 1356192, 1695240, 2034288, 2260320, 2542860, 3390480, 4068576, 5085720, 6780960, 10171440, 20342880]

約数ペア:

[(1, 20342880), (2, 10171440), (3, 6780960), (4, 5085720), (5, 4068576), (6, 3390480), (8, 2542860), (9, 2260320), (10, 2034288), (12, 1695240), (15, 1356192), (16, 1271430), (17, 1196640), (18, 1130160), (20, 1017144), (24, 847620), (27, 753440), (30, 678096), (32, 635715), (34, 598320), (36, 565080), (40, 508572), (45, 452064), (48, 423810), (51, 398880), (54, 376720), (60, 339048), (68, 299160), (72, 282540), (80, 254286), (85, 239328), (90, 226032), (96, 211905), (102, 199440), (108, 188360), (120, 169524), (135, 150688), (136, 149580), (144, 141270), (153, 132960), (160, 127143), (170, 119664), (180, 113016), (204, 99720), (216, 94180), (240, 84762), (255, 79776), (270, 75344), (272, 74790), (277, 73440), (288, 70635), (306, 66480), (340, 59832), (360, 56508), (408, 49860), (432, 47090), (459, 44320), (480, 42381), (510, 39888), (540, 37672), (544, 37395), (554, 36720), (612, 33240), (680, 29916), (720, 28254), (765, 26592), (816, 24930), (831, 24480), (864, 23545), (918, 22160), (1020, 19944), (1080, 18836), (1108, 18360), (1224, 16620), (1360, 14958), (1385, 14688), (1440, 14127), (1530, 13296), (1632, 12465), (1662, 12240), (1836, 11080), (2040, 9972), (2160, 9418), (2216, 9180), (2295, 8864), (2448, 8310), (2493, 8160), (2720, 7479), (2770, 7344), (3060, 6648), (3324, 6120), (3672, 5540), (4080, 4986), (4155, 4896), (4320, 4709), (4432, 4590)]