20309280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1459}}^1$

素因数の和:1506

約数の個数: 96

約数和(自身を含む): 66225600

約数和(自身を除く): 45916320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1459, 1740, 2320, 2784, 2918, 3480, 4377, 4640, 5836, 6960, 7295, 8754, 11672, 13920, 14590, 17508, 21885, 23344, 29180, 35016, 42311, 43770, 46688, 58360, 70032, 84622, 87540, 116720, 126933, 140064, 169244, 175080, 211555, 233440, 253866, 338488, 350160, 423110, 507732, 634665, 676976, 700320, 846220, 1015464, 1269330, 1353952, 1692440, 2030928, 2538660, 3384880, 4061856, 5077320, 6769760, 10154640, 20309280]

約数ペア:

[(1, 20309280), (2, 10154640), (3, 6769760), (4, 5077320), (5, 4061856), (6, 3384880), (8, 2538660), (10, 2030928), (12, 1692440), (15, 1353952), (16, 1269330), (20, 1015464), (24, 846220), (29, 700320), (30, 676976), (32, 634665), (40, 507732), (48, 423110), (58, 350160), (60, 338488), (80, 253866), (87, 233440), (96, 211555), (116, 175080), (120, 169244), (145, 140064), (160, 126933), (174, 116720), (232, 87540), (240, 84622), (290, 70032), (348, 58360), (435, 46688), (464, 43770), (480, 42311), (580, 35016), (696, 29180), (870, 23344), (928, 21885), (1160, 17508), (1392, 14590), (1459, 13920), (1740, 11672), (2320, 8754), (2784, 7295), (2918, 6960), (3480, 5836), (4377, 4640)]