20823600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 79463168

約数和(自身を除く): 58639568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 37, 40, 42, 48, 50, 56, 60, 67, 70, 74, 75, 80, 84, 100, 105, 111, 112, 120, 134, 140, 148, 150, 168, 175, 185, 200, 201, 210, 222, 240, 259, 268, 280, 296, 300, 335, 336, 350, 370, 400, 402, 420, 444, 469, 518, 525, 536, 555, 560, 592, 600, 670, 700, 740, 777, 804, 840, 888, 925, 938, 1005, 1036, 1050, 1072, 1110, 1200, 1295, 1340, 1400, 1407, 1480, 1554, 1608, 1675, 1680, 1776, 1850, 1876, 2010, 2072, 2100, 2220, 2345, 2479, 2590, 2680, 2775, 2800, 2814, 2960, 3108, 3216, 3350, 3700, 3752, 3885, 4020, 4144, 4200, 4440, 4690, 4958, 5025, 5180, 5360, 5550, 5628, 6216, 6475, 6700, 7035, 7400, 7437, 7504, 7770, 8040, 8400, 8880, 9380, 9916, 10050, 10360, 11100, 11256, 11725, 12395, 12432, 12950, 13400, 14070, 14800, 14874, 15540, 16080, 17353, 18760, 19425, 19832, 20100, 20720, 22200, 22512, 23450, 24790, 25900, 26800, 28140, 29748, 31080, 34706, 35175, 37185, 37520, 38850, 39664, 40200, 44400, 46900, 49580, 51800, 52059, 56280, 59496, 61975, 62160, 69412, 70350, 74370, 77700, 80400, 86765, 93800, 99160, 103600, 104118, 112560, 118992, 123950, 138824, 140700, 148740, 155400, 173530, 185925, 187600, 198320, 208236, 247900, 260295, 277648, 281400, 297480, 310800, 347060, 371850, 416472, 433825, 495800, 520590, 562800, 594960, 694120, 743700, 832944, 867650, 991600, 1041180, 1301475, 1388240, 1487400, 1735300, 2082360, 2602950, 2974800, 3470600, 4164720, 5205900, 6941200, 10411800, 20823600]

約数ペア:

[(1, 20823600), (2, 10411800), (3, 6941200), (4, 5205900), (5, 4164720), (6, 3470600), (7, 2974800), (8, 2602950), (10, 2082360), (12, 1735300), (14, 1487400), (15, 1388240), (16, 1301475), (20, 1041180), (21, 991600), (24, 867650), (25, 832944), (28, 743700), (30, 694120), (35, 594960), (37, 562800), (40, 520590), (42, 495800), (48, 433825), (50, 416472), (56, 371850), (60, 347060), (67, 310800), (70, 297480), (74, 281400), (75, 277648), (80, 260295), (84, 247900), (100, 208236), (105, 198320), (111, 187600), (112, 185925), (120, 173530), (134, 155400), (140, 148740), (148, 140700), (150, 138824), (168, 123950), (175, 118992), (185, 112560), (200, 104118), (201, 103600), (210, 99160), (222, 93800), (240, 86765), (259, 80400), (268, 77700), (280, 74370), (296, 70350), (300, 69412), (335, 62160), (336, 61975), (350, 59496), (370, 56280), (400, 52059), (402, 51800), (420, 49580), (444, 46900), (469, 44400), (518, 40200), (525, 39664), (536, 38850), (555, 37520), (560, 37185), (592, 35175), (600, 34706), (670, 31080), (700, 29748), (740, 28140), (777, 26800), (804, 25900), (840, 24790), (888, 23450), (925, 22512), (938, 22200), (1005, 20720), (1036, 20100), (1050, 19832), (1072, 19425), (1110, 18760), (1200, 17353), (1295, 16080), (1340, 15540), (1400, 14874), (1407, 14800), (1480, 14070), (1554, 13400), (1608, 12950), (1675, 12432), (1680, 12395), (1776, 11725), (1850, 11256), (1876, 11100), (2010, 10360), (2072, 10050), (2100, 9916), (2220, 9380), (2345, 8880), (2479, 8400), (2590, 8040), (2680, 7770), (2775, 7504), (2800, 7437), (2814, 7400), (2960, 7035), (3108, 6700), (3216, 6475), (3350, 6216), (3700, 5628), (3752, 5550), (3885, 5360), (4020, 5180), (4144, 5025), (4200, 4958), (4440, 4690)]