20939136

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1807

約数の個数: 64

約数和(自身を含む): 57446400

約数和(自身を除く): 36507264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1759, 1984, 2976, 3518, 3968, 5277, 5952, 7036, 10554, 11904, 14072, 21108, 28144, 42216, 54529, 56288, 84432, 109058, 112576, 163587, 168864, 218116, 225152, 327174, 337728, 436232, 654348, 675456, 872464, 1308696, 1744928, 2617392, 3489856, 5234784, 6979712, 10469568, 20939136]

約数ペア:

[(1, 20939136), (2, 10469568), (3, 6979712), (4, 5234784), (6, 3489856), (8, 2617392), (12, 1744928), (16, 1308696), (24, 872464), (31, 675456), (32, 654348), (48, 436232), (62, 337728), (64, 327174), (93, 225152), (96, 218116), (124, 168864), (128, 163587), (186, 112576), (192, 109058), (248, 84432), (372, 56288), (384, 54529), (496, 42216), (744, 28144), (992, 21108), (1488, 14072), (1759, 11904), (1984, 10554), (2976, 7036), (3518, 5952), (3968, 5277)]