20601000

素因数分解:

$2^3\times 3^3\times 5^3\times 7^1\times {\mathrm{109}}^1$

素因数の和:146

約数の個数: 256

約数和(自身を含む): 82368000

約数和(自身を除く): 61767000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 108, 109, 120, 125, 126, 135, 140, 150, 168, 175, 180, 189, 200, 210, 216, 218, 225, 250, 252, 270, 280, 300, 315, 327, 350, 360, 375, 378, 420, 436, 450, 500, 504, 525, 540, 545, 600, 630, 654, 675, 700, 750, 756, 763, 840, 872, 875, 900, 945, 981, 1000, 1050, 1080, 1090, 1125, 1260, 1308, 1350, 1400, 1500, 1512, 1526, 1575, 1635, 1750, 1800, 1890, 1962, 2100, 2180, 2250, 2289, 2520, 2616, 2625, 2700, 2725, 2943, 3000, 3052, 3150, 3270, 3375, 3500, 3780, 3815, 3924, 4200, 4360, 4500, 4578, 4725, 4905, 5250, 5400, 5450, 5886, 6104, 6300, 6540, 6750, 6867, 7000, 7560, 7630, 7848, 7875, 8175, 9000, 9156, 9450, 9810, 10500, 10900, 11445, 11772, 12600, 13080, 13500, 13625, 13734, 14715, 15260, 15750, 16350, 18312, 18900, 19075, 19620, 20601, 21000, 21800, 22890, 23544, 23625, 24525, 27000, 27250, 27468, 29430, 30520, 31500, 32700, 34335, 37800, 38150, 39240, 40875, 41202, 45780, 47250, 49050, 54500, 54936, 57225, 58860, 63000, 65400, 68670, 73575, 76300, 81750, 82404, 91560, 94500, 95375, 98100, 103005, 109000, 114450, 117720, 122625, 137340, 147150, 152600, 163500, 164808, 171675, 189000, 190750, 196200, 206010, 228900, 245250, 274680, 286125, 294300, 327000, 343350, 367875, 381500, 412020, 457800, 490500, 515025, 572250, 588600, 686700, 735750, 763000, 824040, 858375, 981000, 1030050, 1144500, 1373400, 1471500, 1716750, 2060100, 2289000, 2575125, 2943000, 3433500, 4120200, 5150250, 6867000, 10300500, 20601000]

約数ペア:

[(1, 20601000), (2, 10300500), (3, 6867000), (4, 5150250), (5, 4120200), (6, 3433500), (7, 2943000), (8, 2575125), (9, 2289000), (10, 2060100), (12, 1716750), (14, 1471500), (15, 1373400), (18, 1144500), (20, 1030050), (21, 981000), (24, 858375), (25, 824040), (27, 763000), (28, 735750), (30, 686700), (35, 588600), (36, 572250), (40, 515025), (42, 490500), (45, 457800), (50, 412020), (54, 381500), (56, 367875), (60, 343350), (63, 327000), (70, 294300), (72, 286125), (75, 274680), (84, 245250), (90, 228900), (100, 206010), (105, 196200), (108, 190750), (109, 189000), (120, 171675), (125, 164808), (126, 163500), (135, 152600), (140, 147150), (150, 137340), (168, 122625), (175, 117720), (180, 114450), (189, 109000), (200, 103005), (210, 98100), (216, 95375), (218, 94500), (225, 91560), (250, 82404), (252, 81750), (270, 76300), (280, 73575), (300, 68670), (315, 65400), (327, 63000), (350, 58860), (360, 57225), (375, 54936), (378, 54500), (420, 49050), (436, 47250), (450, 45780), (500, 41202), (504, 40875), (525, 39240), (540, 38150), (545, 37800), (600, 34335), (630, 32700), (654, 31500), (675, 30520), (700, 29430), (750, 27468), (756, 27250), (763, 27000), (840, 24525), (872, 23625), (875, 23544), (900, 22890), (945, 21800), (981, 21000), (1000, 20601), (1050, 19620), (1080, 19075), (1090, 18900), (1125, 18312), (1260, 16350), (1308, 15750), (1350, 15260), (1400, 14715), (1500, 13734), (1512, 13625), (1526, 13500), (1575, 13080), (1635, 12600), (1750, 11772), (1800, 11445), (1890, 10900), (1962, 10500), (2100, 9810), (2180, 9450), (2250, 9156), (2289, 9000), (2520, 8175), (2616, 7875), (2625, 7848), (2700, 7630), (2725, 7560), (2943, 7000), (3000, 6867), (3052, 6750), (3150, 6540), (3270, 6300), (3375, 6104), (3500, 5886), (3780, 5450), (3815, 5400), (3924, 5250), (4200, 4905), (4360, 4725), (4500, 4578)]