20118000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{479}}^1$

素因数の和:512

約数の個数: 160

約数和(自身を含む): 74280960

約数和(自身を除く): 54162960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 479, 500, 525, 560, 600, 700, 750, 840, 875, 958, 1000, 1050, 1200, 1400, 1437, 1500, 1680, 1750, 1916, 2000, 2100, 2395, 2625, 2800, 2874, 3000, 3353, 3500, 3832, 4200, 4790, 5250, 5748, 6000, 6706, 7000, 7185, 7664, 8400, 9580, 10059, 10500, 11496, 11975, 13412, 14000, 14370, 16765, 19160, 20118, 21000, 22992, 23950, 26824, 28740, 33530, 35925, 38320, 40236, 42000, 47900, 50295, 53648, 57480, 59875, 67060, 71850, 80472, 83825, 95800, 100590, 114960, 119750, 134120, 143700, 160944, 167650, 179625, 191600, 201180, 239500, 251475, 268240, 287400, 335300, 359250, 402360, 419125, 479000, 502950, 574800, 670600, 718500, 804720, 838250, 958000, 1005900, 1257375, 1341200, 1437000, 1676500, 2011800, 2514750, 2874000, 3353000, 4023600, 5029500, 6706000, 10059000, 20118000]

約数ペア:

[(1, 20118000), (2, 10059000), (3, 6706000), (4, 5029500), (5, 4023600), (6, 3353000), (7, 2874000), (8, 2514750), (10, 2011800), (12, 1676500), (14, 1437000), (15, 1341200), (16, 1257375), (20, 1005900), (21, 958000), (24, 838250), (25, 804720), (28, 718500), (30, 670600), (35, 574800), (40, 502950), (42, 479000), (48, 419125), (50, 402360), (56, 359250), (60, 335300), (70, 287400), (75, 268240), (80, 251475), (84, 239500), (100, 201180), (105, 191600), (112, 179625), (120, 167650), (125, 160944), (140, 143700), (150, 134120), (168, 119750), (175, 114960), (200, 100590), (210, 95800), (240, 83825), (250, 80472), (280, 71850), (300, 67060), (336, 59875), (350, 57480), (375, 53648), (400, 50295), (420, 47900), (479, 42000), (500, 40236), (525, 38320), (560, 35925), (600, 33530), (700, 28740), (750, 26824), (840, 23950), (875, 22992), (958, 21000), (1000, 20118), (1050, 19160), (1200, 16765), (1400, 14370), (1437, 14000), (1500, 13412), (1680, 11975), (1750, 11496), (1916, 10500), (2000, 10059), (2100, 9580), (2395, 8400), (2625, 7664), (2800, 7185), (2874, 7000), (3000, 6706), (3353, 6000), (3500, 5748), (3832, 5250), (4200, 4790)]