20636640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 76749120

約数和(自身を除く): 56112480

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, 281, 288, 306, 340, 360, 408, 432, 459, 480, 510, 540, 544, 562, 612, 680, 720, 765, 816, 843, 864, 918, 1020, 1080, 1124, 1224, 1360, 1405, 1440, 1530, 1632, 1686, 1836, 2040, 2160, 2248, 2295, 2448, 2529, 2720, 2810, 3060, 3372, 3672, 4080, 4215, 4320, 4496, 4590, 4777, 4896, 5058, 5620, 6120, 6744, 7344, 7587, 8160, 8430, 8992, 9180, 9554, 10116, 11240, 12240, 12645, 13488, 14331, 14688, 15174, 16860, 18360, 19108, 20232, 22480, 23885, 24480, 25290, 26976, 28662, 30348, 33720, 36720, 37935, 38216, 40464, 42993, 44960, 47770, 50580, 57324, 60696, 67440, 71655, 73440, 75870, 76432, 80928, 85986, 95540, 101160, 114648, 121392, 128979, 134880, 143310, 151740, 152864, 171972, 191080, 202320, 214965, 229296, 242784, 257958, 286620, 303480, 343944, 382160, 404640, 429930, 458592, 515916, 573240, 606960, 644895, 687888, 764320, 859860, 1031832, 1146480, 1213920, 1289790, 1375776, 1719720, 2063664, 2292960, 2579580, 3439440, 4127328, 5159160, 6878880, 10318320, 20636640]

約数ペア:

[(1, 20636640), (2, 10318320), (3, 6878880), (4, 5159160), (5, 4127328), (6, 3439440), (8, 2579580), (9, 2292960), (10, 2063664), (12, 1719720), (15, 1375776), (16, 1289790), (17, 1213920), (18, 1146480), (20, 1031832), (24, 859860), (27, 764320), (30, 687888), (32, 644895), (34, 606960), (36, 573240), (40, 515916), (45, 458592), (48, 429930), (51, 404640), (54, 382160), (60, 343944), (68, 303480), (72, 286620), (80, 257958), (85, 242784), (90, 229296), (96, 214965), (102, 202320), (108, 191080), (120, 171972), (135, 152864), (136, 151740), (144, 143310), (153, 134880), (160, 128979), (170, 121392), (180, 114648), (204, 101160), (216, 95540), (240, 85986), (255, 80928), (270, 76432), (272, 75870), (281, 73440), (288, 71655), (306, 67440), (340, 60696), (360, 57324), (408, 50580), (432, 47770), (459, 44960), (480, 42993), (510, 40464), (540, 38216), (544, 37935), (562, 36720), (612, 33720), (680, 30348), (720, 28662), (765, 26976), (816, 25290), (843, 24480), (864, 23885), (918, 22480), (1020, 20232), (1080, 19108), (1124, 18360), (1224, 16860), (1360, 15174), (1405, 14688), (1440, 14331), (1530, 13488), (1632, 12645), (1686, 12240), (1836, 11240), (2040, 10116), (2160, 9554), (2248, 9180), (2295, 8992), (2448, 8430), (2529, 8160), (2720, 7587), (2810, 7344), (3060, 6744), (3372, 6120), (3672, 5620), (4080, 5058), (4215, 4896), (4320, 4777), (4496, 4590)]