20265000

素因数分解:

$2^3\times 3^1\times 5^4\times 7^1\times {\mathrm{193}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 72726720

約数和(自身を除く): 52461720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 193, 200, 210, 250, 280, 300, 350, 375, 386, 420, 500, 525, 579, 600, 625, 700, 750, 772, 840, 875, 965, 1000, 1050, 1158, 1250, 1351, 1400, 1500, 1544, 1750, 1875, 1930, 2100, 2316, 2500, 2625, 2702, 2895, 3000, 3500, 3750, 3860, 4053, 4200, 4375, 4632, 4825, 5000, 5250, 5404, 5790, 6755, 7000, 7500, 7720, 8106, 8750, 9650, 10500, 10808, 11580, 13125, 13510, 14475, 15000, 16212, 17500, 19300, 20265, 21000, 23160, 24125, 26250, 27020, 28950, 32424, 33775, 35000, 38600, 40530, 48250, 52500, 54040, 57900, 67550, 72375, 81060, 96500, 101325, 105000, 115800, 120625, 135100, 144750, 162120, 168875, 193000, 202650, 241250, 270200, 289500, 337750, 361875, 405300, 482500, 506625, 579000, 675500, 723750, 810600, 844375, 965000, 1013250, 1351000, 1447500, 1688750, 2026500, 2533125, 2895000, 3377500, 4053000, 5066250, 6755000, 10132500, 20265000]

約数ペア:

[(1, 20265000), (2, 10132500), (3, 6755000), (4, 5066250), (5, 4053000), (6, 3377500), (7, 2895000), (8, 2533125), (10, 2026500), (12, 1688750), (14, 1447500), (15, 1351000), (20, 1013250), (21, 965000), (24, 844375), (25, 810600), (28, 723750), (30, 675500), (35, 579000), (40, 506625), (42, 482500), (50, 405300), (56, 361875), (60, 337750), (70, 289500), (75, 270200), (84, 241250), (100, 202650), (105, 193000), (120, 168875), (125, 162120), (140, 144750), (150, 135100), (168, 120625), (175, 115800), (193, 105000), (200, 101325), (210, 96500), (250, 81060), (280, 72375), (300, 67550), (350, 57900), (375, 54040), (386, 52500), (420, 48250), (500, 40530), (525, 38600), (579, 35000), (600, 33775), (625, 32424), (700, 28950), (750, 27020), (772, 26250), (840, 24125), (875, 23160), (965, 21000), (1000, 20265), (1050, 19300), (1158, 17500), (1250, 16212), (1351, 15000), (1400, 14475), (1500, 13510), (1544, 13125), (1750, 11580), (1875, 10808), (1930, 10500), (2100, 9650), (2316, 8750), (2500, 8106), (2625, 7720), (2702, 7500), (2895, 7000), (3000, 6755), (3500, 5790), (3750, 5404), (3860, 5250), (4053, 5000), (4200, 4825), (4375, 4632)]