20538000

素因数分解:

$2^4\times 3^2\times 5^3\times 7^1\times {\mathrm{163}}^1$

素因数の和:199

約数の個数: 240

約数和(自身を含む): 82482816

約数和(自身を除く): 61944816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 125, 126, 140, 144, 150, 163, 168, 175, 180, 200, 210, 225, 240, 250, 252, 280, 300, 315, 326, 336, 350, 360, 375, 400, 420, 450, 489, 500, 504, 525, 560, 600, 630, 652, 700, 720, 750, 815, 840, 875, 900, 978, 1000, 1008, 1050, 1125, 1141, 1200, 1260, 1304, 1400, 1467, 1500, 1575, 1630, 1680, 1750, 1800, 1956, 2000, 2100, 2250, 2282, 2445, 2520, 2608, 2625, 2800, 2934, 3000, 3150, 3260, 3423, 3500, 3600, 3912, 4075, 4200, 4500, 4564, 4890, 5040, 5250, 5705, 5868, 6000, 6300, 6520, 6846, 7000, 7335, 7824, 7875, 8150, 8400, 9000, 9128, 9780, 10269, 10500, 11410, 11736, 12225, 12600, 13040, 13692, 14000, 14670, 15750, 16300, 17115, 18000, 18256, 19560, 20375, 20538, 21000, 22820, 23472, 24450, 25200, 27384, 28525, 29340, 31500, 32600, 34230, 36675, 39120, 40750, 41076, 42000, 45640, 48900, 51345, 54768, 57050, 58680, 61125, 63000, 65200, 68460, 73350, 81500, 82152, 85575, 91280, 97800, 102690, 114100, 117360, 122250, 126000, 136920, 142625, 146700, 163000, 164304, 171150, 183375, 195600, 205380, 228200, 244500, 256725, 273840, 285250, 293400, 326000, 342300, 366750, 410760, 427875, 456400, 489000, 513450, 570500, 586800, 684600, 733500, 821520, 855750, 978000, 1026900, 1141000, 1283625, 1369200, 1467000, 1711500, 2053800, 2282000, 2567250, 2934000, 3423000, 4107600, 5134500, 6846000, 10269000, 20538000]

約数ペア:

[(1, 20538000), (2, 10269000), (3, 6846000), (4, 5134500), (5, 4107600), (6, 3423000), (7, 2934000), (8, 2567250), (9, 2282000), (10, 2053800), (12, 1711500), (14, 1467000), (15, 1369200), (16, 1283625), (18, 1141000), (20, 1026900), (21, 978000), (24, 855750), (25, 821520), (28, 733500), (30, 684600), (35, 586800), (36, 570500), (40, 513450), (42, 489000), (45, 456400), (48, 427875), (50, 410760), (56, 366750), (60, 342300), (63, 326000), (70, 293400), (72, 285250), (75, 273840), (80, 256725), (84, 244500), (90, 228200), (100, 205380), (105, 195600), (112, 183375), (120, 171150), (125, 164304), (126, 163000), (140, 146700), (144, 142625), (150, 136920), (163, 126000), (168, 122250), (175, 117360), (180, 114100), (200, 102690), (210, 97800), (225, 91280), (240, 85575), (250, 82152), (252, 81500), (280, 73350), (300, 68460), (315, 65200), (326, 63000), (336, 61125), (350, 58680), (360, 57050), (375, 54768), (400, 51345), (420, 48900), (450, 45640), (489, 42000), (500, 41076), (504, 40750), (525, 39120), (560, 36675), (600, 34230), (630, 32600), (652, 31500), (700, 29340), (720, 28525), (750, 27384), (815, 25200), (840, 24450), (875, 23472), (900, 22820), (978, 21000), (1000, 20538), (1008, 20375), (1050, 19560), (1125, 18256), (1141, 18000), (1200, 17115), (1260, 16300), (1304, 15750), (1400, 14670), (1467, 14000), (1500, 13692), (1575, 13040), (1630, 12600), (1680, 12225), (1750, 11736), (1800, 11410), (1956, 10500), (2000, 10269), (2100, 9780), (2250, 9128), (2282, 9000), (2445, 8400), (2520, 8150), (2608, 7875), (2625, 7824), (2800, 7335), (2934, 7000), (3000, 6846), (3150, 6520), (3260, 6300), (3423, 6000), (3500, 5868), (3600, 5705), (3912, 5250), (4075, 5040), (4200, 4890), (4500, 4564)]