20274855840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{485509}}^1$

素因数の和:485559

約数の個数: 144

約数和(自身を含む): 71573884200

約数和(自身を除く): 51299028360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 5220, 6960, 8352, 10440, 13920, 20880, 41760, 485509, 971018, 1456527, 1942036, 2427545, 2913054, 3884072, 4369581, 4855090, 5826108, 7282635, 7768144, 8739162, 9710180, 11652216, 14079761, 14565270, 15536288, 17478324, 19420360, 21847905, 23304432, 28159522, 29130540, 34956648, 38840720, 42239283, 43695810, 46608864, 56319044, 58261080, 69913296, 70398805, 77681440, 84478566, 87391620, 112638088, 116522160, 126717849, 139826592, 140797610, 168957132, 174783240, 211196415, 225276176, 233044320, 253435698, 281595220, 337914264, 349566480, 422392830, 450552352, 506871396, 563190440, 633589245, 675828528, 699132960, 844785660, 1013742792, 1126380880, 1267178490, 1351657056, 1689571320, 2027485584, 2252761760, 2534356980, 3379142640, 4054971168, 5068713960, 6758285280, 10137427920, 20274855840]

約数ペア:

[(1, 20274855840), (2, 10137427920), (3, 6758285280), (4, 5068713960), (5, 4054971168), (6, 3379142640), (8, 2534356980), (9, 2252761760), (10, 2027485584), (12, 1689571320), (15, 1351657056), (16, 1267178490), (18, 1126380880), (20, 1013742792), (24, 844785660), (29, 699132960), (30, 675828528), (32, 633589245), (36, 563190440), (40, 506871396), (45, 450552352), (48, 422392830), (58, 349566480), (60, 337914264), (72, 281595220), (80, 253435698), (87, 233044320), (90, 225276176), (96, 211196415), (116, 174783240), (120, 168957132), (144, 140797610), (145, 139826592), (160, 126717849), (174, 116522160), (180, 112638088), (232, 87391620), (240, 84478566), (261, 77681440), (288, 70398805), (290, 69913296), (348, 58261080), (360, 56319044), (435, 46608864), (464, 43695810), (480, 42239283), (522, 38840720), (580, 34956648), (696, 29130540), (720, 28159522), (870, 23304432), (928, 21847905), (1044, 19420360), (1160, 17478324), (1305, 15536288), (1392, 14565270), (1440, 14079761), (1740, 11652216), (2088, 9710180), (2320, 8739162), (2610, 7768144), (2784, 7282635), (3480, 5826108), (4176, 4855090), (4640, 4369581), (5220, 3884072), (6960, 2913054), (8352, 2427545), (10440, 1942036), (13920, 1456527), (20880, 971018), (41760, 485509)]