20434560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:418

約数の個数: 128

約数和(自身を含む): 67564800

約数和(自身を除く): 47130240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 290, 320, 348, 367, 384, 435, 464, 480, 580, 640, 696, 734, 870, 928, 960, 1101, 1160, 1392, 1468, 1740, 1835, 1856, 1920, 2202, 2320, 2784, 2936, 3480, 3670, 3712, 4404, 4640, 5505, 5568, 5872, 6960, 7340, 8808, 9280, 10643, 11010, 11136, 11744, 13920, 14680, 17616, 18560, 21286, 22020, 23488, 27840, 29360, 31929, 35232, 42572, 44040, 46976, 53215, 55680, 58720, 63858, 70464, 85144, 88080, 106430, 117440, 127716, 140928, 159645, 170288, 176160, 212860, 234880, 255432, 319290, 340576, 352320, 425720, 510864, 638580, 681152, 704640, 851440, 1021728, 1277160, 1362304, 1702880, 2043456, 2554320, 3405760, 4086912, 5108640, 6811520, 10217280, 20434560]

約数ペア:

[(1, 20434560), (2, 10217280), (3, 6811520), (4, 5108640), (5, 4086912), (6, 3405760), (8, 2554320), (10, 2043456), (12, 1702880), (15, 1362304), (16, 1277160), (20, 1021728), (24, 851440), (29, 704640), (30, 681152), (32, 638580), (40, 510864), (48, 425720), (58, 352320), (60, 340576), (64, 319290), (80, 255432), (87, 234880), (96, 212860), (116, 176160), (120, 170288), (128, 159645), (145, 140928), (160, 127716), (174, 117440), (192, 106430), (232, 88080), (240, 85144), (290, 70464), (320, 63858), (348, 58720), (367, 55680), (384, 53215), (435, 46976), (464, 44040), (480, 42572), (580, 35232), (640, 31929), (696, 29360), (734, 27840), (870, 23488), (928, 22020), (960, 21286), (1101, 18560), (1160, 17616), (1392, 14680), (1468, 13920), (1740, 11744), (1835, 11136), (1856, 11010), (1920, 10643), (2202, 9280), (2320, 8808), (2784, 7340), (2936, 6960), (3480, 5872), (3670, 5568), (3712, 5505), (4404, 4640)]