20903424

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 57615360

約数和(自身を除く): 36711936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 439, 496, 512, 744, 768, 878, 992, 1317, 1488, 1536, 1756, 1984, 2634, 2976, 3512, 3968, 5268, 5952, 7024, 7936, 10536, 11904, 13609, 14048, 15872, 21072, 23808, 27218, 28096, 40827, 42144, 47616, 54436, 56192, 81654, 84288, 108872, 112384, 163308, 168576, 217744, 224768, 326616, 337152, 435488, 653232, 674304, 870976, 1306464, 1741952, 2612928, 3483904, 5225856, 6967808, 10451712, 20903424]

約数ペア:

[(1, 20903424), (2, 10451712), (3, 6967808), (4, 5225856), (6, 3483904), (8, 2612928), (12, 1741952), (16, 1306464), (24, 870976), (31, 674304), (32, 653232), (48, 435488), (62, 337152), (64, 326616), (93, 224768), (96, 217744), (124, 168576), (128, 163308), (186, 112384), (192, 108872), (248, 84288), (256, 81654), (372, 56192), (384, 54436), (439, 47616), (496, 42144), (512, 40827), (744, 28096), (768, 27218), (878, 23808), (992, 21072), (1317, 15872), (1488, 14048), (1536, 13609), (1756, 11904), (1984, 10536), (2634, 7936), (2976, 7024), (3512, 5952), (3968, 5268)]