20701800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 288

約数和(自身を含む): 83566080

約数和(自身を除く): 62864280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 31, 35, 36, 40, 42, 45, 50, 53, 56, 60, 62, 63, 70, 72, 75, 84, 90, 93, 100, 105, 106, 120, 124, 126, 140, 150, 155, 159, 168, 175, 180, 186, 200, 210, 212, 217, 225, 248, 252, 265, 279, 280, 300, 310, 315, 318, 350, 360, 371, 372, 420, 424, 434, 450, 465, 477, 504, 525, 530, 558, 600, 620, 630, 636, 651, 700, 742, 744, 775, 795, 840, 868, 900, 930, 954, 1050, 1060, 1085, 1113, 1116, 1240, 1260, 1272, 1302, 1325, 1395, 1400, 1484, 1550, 1575, 1590, 1643, 1736, 1800, 1855, 1860, 1908, 1953, 2100, 2120, 2170, 2226, 2232, 2325, 2385, 2520, 2604, 2650, 2790, 2968, 3100, 3150, 3180, 3255, 3286, 3339, 3710, 3720, 3816, 3906, 3975, 4200, 4340, 4452, 4650, 4770, 4929, 5208, 5300, 5425, 5565, 5580, 6200, 6300, 6360, 6510, 6572, 6678, 6975, 7420, 7812, 7950, 8215, 8680, 8904, 9275, 9300, 9540, 9765, 9858, 10600, 10850, 11130, 11160, 11501, 11925, 12600, 13020, 13144, 13356, 13950, 14787, 14840, 15624, 15900, 16275, 16430, 16695, 18550, 18600, 19080, 19530, 19716, 21700, 22260, 23002, 23850, 24645, 26040, 26712, 27825, 27900, 29574, 31800, 32550, 32860, 33390, 34503, 37100, 39060, 39432, 41075, 43400, 44520, 46004, 47700, 48825, 49290, 55650, 55800, 57505, 59148, 65100, 65720, 66780, 69006, 73935, 74200, 78120, 82150, 83475, 92008, 95400, 97650, 98580, 103509, 111300, 115010, 118296, 123225, 130200, 133560, 138012, 147870, 164300, 166950, 172515, 195300, 197160, 207018, 222600, 230020, 246450, 276024, 287525, 295740, 328600, 333900, 345030, 369675, 390600, 414036, 460040, 492900, 517545, 575050, 591480, 667800, 690060, 739350, 828072, 862575, 985800, 1035090, 1150100, 1380120, 1478700, 1725150, 2070180, 2300200, 2587725, 2957400, 3450300, 4140360, 5175450, 6900600, 10350900, 20701800]

約数ペア:

[(1, 20701800), (2, 10350900), (3, 6900600), (4, 5175450), (5, 4140360), (6, 3450300), (7, 2957400), (8, 2587725), (9, 2300200), (10, 2070180), (12, 1725150), (14, 1478700), (15, 1380120), (18, 1150100), (20, 1035090), (21, 985800), (24, 862575), (25, 828072), (28, 739350), (30, 690060), (31, 667800), (35, 591480), (36, 575050), (40, 517545), (42, 492900), (45, 460040), (50, 414036), (53, 390600), (56, 369675), (60, 345030), (62, 333900), (63, 328600), (70, 295740), (72, 287525), (75, 276024), (84, 246450), (90, 230020), (93, 222600), (100, 207018), (105, 197160), (106, 195300), (120, 172515), (124, 166950), (126, 164300), (140, 147870), (150, 138012), (155, 133560), (159, 130200), (168, 123225), (175, 118296), (180, 115010), (186, 111300), (200, 103509), (210, 98580), (212, 97650), (217, 95400), (225, 92008), (248, 83475), (252, 82150), (265, 78120), (279, 74200), (280, 73935), (300, 69006), (310, 66780), (315, 65720), (318, 65100), (350, 59148), (360, 57505), (371, 55800), (372, 55650), (420, 49290), (424, 48825), (434, 47700), (450, 46004), (465, 44520), (477, 43400), (504, 41075), (525, 39432), (530, 39060), (558, 37100), (600, 34503), (620, 33390), (630, 32860), (636, 32550), (651, 31800), (700, 29574), (742, 27900), (744, 27825), (775, 26712), (795, 26040), (840, 24645), (868, 23850), (900, 23002), (930, 22260), (954, 21700), (1050, 19716), (1060, 19530), (1085, 19080), (1113, 18600), (1116, 18550), (1240, 16695), (1260, 16430), (1272, 16275), (1302, 15900), (1325, 15624), (1395, 14840), (1400, 14787), (1484, 13950), (1550, 13356), (1575, 13144), (1590, 13020), (1643, 12600), (1736, 11925), (1800, 11501), (1855, 11160), (1860, 11130), (1908, 10850), (1953, 10600), (2100, 9858), (2120, 9765), (2170, 9540), (2226, 9300), (2232, 9275), (2325, 8904), (2385, 8680), (2520, 8215), (2604, 7950), (2650, 7812), (2790, 7420), (2968, 6975), (3100, 6678), (3150, 6572), (3180, 6510), (3255, 6360), (3286, 6300), (3339, 6200), (3710, 5580), (3720, 5565), (3816, 5425), (3906, 5300), (3975, 5208), (4200, 4929), (4340, 4770), (4452, 4650)]