20424000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 224

約数和(自身を含む): 72274176

約数和(自身を除く): 51850176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 37, 40, 46, 48, 50, 60, 64, 69, 74, 75, 80, 92, 96, 100, 111, 115, 120, 125, 138, 148, 150, 160, 184, 185, 192, 200, 222, 230, 240, 250, 276, 296, 300, 320, 345, 368, 370, 375, 400, 444, 460, 480, 500, 552, 555, 575, 592, 600, 690, 736, 740, 750, 800, 851, 888, 920, 925, 960, 1000, 1104, 1110, 1150, 1184, 1200, 1380, 1472, 1480, 1500, 1600, 1702, 1725, 1776, 1840, 1850, 2000, 2208, 2220, 2300, 2368, 2400, 2553, 2760, 2775, 2875, 2960, 3000, 3404, 3450, 3552, 3680, 3700, 4000, 4255, 4416, 4440, 4600, 4625, 4800, 5106, 5520, 5550, 5750, 5920, 6000, 6808, 6900, 7104, 7360, 7400, 8000, 8510, 8625, 8880, 9200, 9250, 10212, 11040, 11100, 11500, 11840, 12000, 12765, 13616, 13800, 13875, 14800, 17020, 17250, 17760, 18400, 18500, 20424, 21275, 22080, 22200, 23000, 24000, 25530, 27232, 27600, 27750, 29600, 34040, 34500, 35520, 36800, 37000, 40848, 42550, 44400, 46000, 51060, 54464, 55200, 55500, 59200, 63825, 68080, 69000, 74000, 81696, 85100, 88800, 92000, 102120, 106375, 110400, 111000, 127650, 136160, 138000, 148000, 163392, 170200, 177600, 184000, 204240, 212750, 222000, 255300, 272320, 276000, 296000, 319125, 340400, 408480, 425500, 444000, 510600, 552000, 638250, 680800, 816960, 851000, 888000, 1021200, 1276500, 1361600, 1702000, 2042400, 2553000, 3404000, 4084800, 5106000, 6808000, 10212000, 20424000]

約数ペア:

[(1, 20424000), (2, 10212000), (3, 6808000), (4, 5106000), (5, 4084800), (6, 3404000), (8, 2553000), (10, 2042400), (12, 1702000), (15, 1361600), (16, 1276500), (20, 1021200), (23, 888000), (24, 851000), (25, 816960), (30, 680800), (32, 638250), (37, 552000), (40, 510600), (46, 444000), (48, 425500), (50, 408480), (60, 340400), (64, 319125), (69, 296000), (74, 276000), (75, 272320), (80, 255300), (92, 222000), (96, 212750), (100, 204240), (111, 184000), (115, 177600), (120, 170200), (125, 163392), (138, 148000), (148, 138000), (150, 136160), (160, 127650), (184, 111000), (185, 110400), (192, 106375), (200, 102120), (222, 92000), (230, 88800), (240, 85100), (250, 81696), (276, 74000), (296, 69000), (300, 68080), (320, 63825), (345, 59200), (368, 55500), (370, 55200), (375, 54464), (400, 51060), (444, 46000), (460, 44400), (480, 42550), (500, 40848), (552, 37000), (555, 36800), (575, 35520), (592, 34500), (600, 34040), (690, 29600), (736, 27750), (740, 27600), (750, 27232), (800, 25530), (851, 24000), (888, 23000), (920, 22200), (925, 22080), (960, 21275), (1000, 20424), (1104, 18500), (1110, 18400), (1150, 17760), (1184, 17250), (1200, 17020), (1380, 14800), (1472, 13875), (1480, 13800), (1500, 13616), (1600, 12765), (1702, 12000), (1725, 11840), (1776, 11500), (1840, 11100), (1850, 11040), (2000, 10212), (2208, 9250), (2220, 9200), (2300, 8880), (2368, 8625), (2400, 8510), (2553, 8000), (2760, 7400), (2775, 7360), (2875, 7104), (2960, 6900), (3000, 6808), (3404, 6000), (3450, 5920), (3552, 5750), (3680, 5550), (3700, 5520), (4000, 5106), (4255, 4800), (4416, 4625), (4440, 4600)]