20216000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{19}}^2$

素因数の和:72

約数の個数: 168

約数和(自身を含む): 60386976

約数和(自身を除く): 40170976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 112, 125, 133, 140, 152, 160, 175, 190, 200, 224, 250, 266, 280, 304, 320, 350, 361, 380, 400, 448, 475, 500, 532, 560, 608, 665, 700, 722, 760, 800, 875, 950, 1000, 1064, 1120, 1216, 1330, 1400, 1444, 1520, 1600, 1750, 1805, 1900, 2000, 2128, 2240, 2375, 2527, 2660, 2800, 2888, 3040, 3325, 3500, 3610, 3800, 4000, 4256, 4750, 5054, 5320, 5600, 5776, 6080, 6650, 7000, 7220, 7600, 8000, 8512, 9025, 9500, 10108, 10640, 11200, 11552, 12635, 13300, 14000, 14440, 15200, 16625, 18050, 19000, 20216, 21280, 23104, 25270, 26600, 28000, 28880, 30400, 33250, 36100, 38000, 40432, 42560, 45125, 50540, 53200, 56000, 57760, 63175, 66500, 72200, 76000, 80864, 90250, 101080, 106400, 115520, 126350, 133000, 144400, 152000, 161728, 180500, 202160, 212800, 252700, 266000, 288800, 315875, 361000, 404320, 505400, 532000, 577600, 631750, 722000, 808640, 1010800, 1064000, 1263500, 1444000, 2021600, 2527000, 2888000, 4043200, 5054000, 10108000, 20216000]

約数ペア:

[(1, 20216000), (2, 10108000), (4, 5054000), (5, 4043200), (7, 2888000), (8, 2527000), (10, 2021600), (14, 1444000), (16, 1263500), (19, 1064000), (20, 1010800), (25, 808640), (28, 722000), (32, 631750), (35, 577600), (38, 532000), (40, 505400), (50, 404320), (56, 361000), (64, 315875), (70, 288800), (76, 266000), (80, 252700), (95, 212800), (100, 202160), (112, 180500), (125, 161728), (133, 152000), (140, 144400), (152, 133000), (160, 126350), (175, 115520), (190, 106400), (200, 101080), (224, 90250), (250, 80864), (266, 76000), (280, 72200), (304, 66500), (320, 63175), (350, 57760), (361, 56000), (380, 53200), (400, 50540), (448, 45125), (475, 42560), (500, 40432), (532, 38000), (560, 36100), (608, 33250), (665, 30400), (700, 28880), (722, 28000), (760, 26600), (800, 25270), (875, 23104), (950, 21280), (1000, 20216), (1064, 19000), (1120, 18050), (1216, 16625), (1330, 15200), (1400, 14440), (1444, 14000), (1520, 13300), (1600, 12635), (1750, 11552), (1805, 11200), (1900, 10640), (2000, 10108), (2128, 9500), (2240, 9025), (2375, 8512), (2527, 8000), (2660, 7600), (2800, 7220), (2888, 7000), (3040, 6650), (3325, 6080), (3500, 5776), (3610, 5600), (3800, 5320), (4000, 5054), (4256, 4750)]