20743800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 80352000

約数和(自身を除く): 59608200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 50, 55, 56, 60, 66, 70, 75, 77, 84, 88, 100, 105, 110, 120, 132, 140, 150, 154, 165, 168, 175, 200, 210, 220, 231, 264, 275, 280, 300, 308, 330, 350, 385, 420, 440, 449, 462, 525, 550, 600, 616, 660, 700, 770, 825, 840, 898, 924, 1050, 1100, 1155, 1320, 1347, 1400, 1540, 1650, 1796, 1848, 1925, 2100, 2200, 2245, 2310, 2694, 3080, 3143, 3300, 3592, 3850, 4200, 4490, 4620, 4939, 5388, 5775, 6286, 6600, 6735, 7700, 8980, 9240, 9429, 9878, 10776, 11225, 11550, 12572, 13470, 14817, 15400, 15715, 17960, 18858, 19756, 22450, 23100, 24695, 25144, 26940, 29634, 31430, 33675, 34573, 37716, 39512, 44900, 46200, 47145, 49390, 53880, 59268, 62860, 67350, 69146, 74085, 75432, 78575, 89800, 94290, 98780, 103719, 118536, 123475, 125720, 134700, 138292, 148170, 157150, 172865, 188580, 197560, 207438, 235725, 246950, 269400, 276584, 296340, 314300, 345730, 370425, 377160, 414876, 471450, 493900, 518595, 592680, 628600, 691460, 740850, 829752, 864325, 942900, 987800, 1037190, 1382920, 1481700, 1728650, 1885800, 2074380, 2592975, 2963400, 3457300, 4148760, 5185950, 6914600, 10371900, 20743800]

約数ペア:

[(1, 20743800), (2, 10371900), (3, 6914600), (4, 5185950), (5, 4148760), (6, 3457300), (7, 2963400), (8, 2592975), (10, 2074380), (11, 1885800), (12, 1728650), (14, 1481700), (15, 1382920), (20, 1037190), (21, 987800), (22, 942900), (24, 864325), (25, 829752), (28, 740850), (30, 691460), (33, 628600), (35, 592680), (40, 518595), (42, 493900), (44, 471450), (50, 414876), (55, 377160), (56, 370425), (60, 345730), (66, 314300), (70, 296340), (75, 276584), (77, 269400), (84, 246950), (88, 235725), (100, 207438), (105, 197560), (110, 188580), (120, 172865), (132, 157150), (140, 148170), (150, 138292), (154, 134700), (165, 125720), (168, 123475), (175, 118536), (200, 103719), (210, 98780), (220, 94290), (231, 89800), (264, 78575), (275, 75432), (280, 74085), (300, 69146), (308, 67350), (330, 62860), (350, 59268), (385, 53880), (420, 49390), (440, 47145), (449, 46200), (462, 44900), (525, 39512), (550, 37716), (600, 34573), (616, 33675), (660, 31430), (700, 29634), (770, 26940), (825, 25144), (840, 24695), (898, 23100), (924, 22450), (1050, 19756), (1100, 18858), (1155, 17960), (1320, 15715), (1347, 15400), (1400, 14817), (1540, 13470), (1650, 12572), (1796, 11550), (1848, 11225), (1925, 10776), (2100, 9878), (2200, 9429), (2245, 9240), (2310, 8980), (2694, 7700), (3080, 6735), (3143, 6600), (3300, 6286), (3592, 5775), (3850, 5388), (4200, 4939), (4490, 4620)]