20731200

素因数分解:

$2^6\times 3^1\times 5^2\times 7^1\times {\mathrm{617}}^1$

素因数の和:649

約数の個数: 168

約数和(自身を含む): 77858112

約数和(自身を除く): 57126912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 280, 300, 320, 336, 350, 400, 420, 448, 480, 525, 560, 600, 617, 672, 700, 800, 840, 960, 1050, 1120, 1200, 1234, 1344, 1400, 1600, 1680, 1851, 2100, 2240, 2400, 2468, 2800, 3085, 3360, 3702, 4200, 4319, 4800, 4936, 5600, 6170, 6720, 7404, 8400, 8638, 9255, 9872, 11200, 12340, 12957, 14808, 15425, 16800, 17276, 18510, 19744, 21595, 24680, 25914, 29616, 30850, 33600, 34552, 37020, 39488, 43190, 46275, 49360, 51828, 59232, 61700, 64785, 69104, 74040, 86380, 92550, 98720, 103656, 107975, 118464, 123400, 129570, 138208, 148080, 172760, 185100, 197440, 207312, 215950, 246800, 259140, 276416, 296160, 323925, 345520, 370200, 414624, 431900, 493600, 518280, 592320, 647850, 691040, 740400, 829248, 863800, 987200, 1036560, 1295700, 1382080, 1480800, 1727600, 2073120, 2591400, 2961600, 3455200, 4146240, 5182800, 6910400, 10365600, 20731200]

約数ペア:

[(1, 20731200), (2, 10365600), (3, 6910400), (4, 5182800), (5, 4146240), (6, 3455200), (7, 2961600), (8, 2591400), (10, 2073120), (12, 1727600), (14, 1480800), (15, 1382080), (16, 1295700), (20, 1036560), (21, 987200), (24, 863800), (25, 829248), (28, 740400), (30, 691040), (32, 647850), (35, 592320), (40, 518280), (42, 493600), (48, 431900), (50, 414624), (56, 370200), (60, 345520), (64, 323925), (70, 296160), (75, 276416), (80, 259140), (84, 246800), (96, 215950), (100, 207312), (105, 197440), (112, 185100), (120, 172760), (140, 148080), (150, 138208), (160, 129570), (168, 123400), (175, 118464), (192, 107975), (200, 103656), (210, 98720), (224, 92550), (240, 86380), (280, 74040), (300, 69104), (320, 64785), (336, 61700), (350, 59232), (400, 51828), (420, 49360), (448, 46275), (480, 43190), (525, 39488), (560, 37020), (600, 34552), (617, 33600), (672, 30850), (700, 29616), (800, 25914), (840, 24680), (960, 21595), (1050, 19744), (1120, 18510), (1200, 17276), (1234, 16800), (1344, 15425), (1400, 14808), (1600, 12957), (1680, 12340), (1851, 11200), (2100, 9872), (2240, 9255), (2400, 8638), (2468, 8400), (2800, 7404), (3085, 6720), (3360, 6170), (3702, 5600), (4200, 4936), (4319, 4800)]