20831040

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2411}}^1$

素因数の和:2437

約数の個数: 112

約数和(自身を含む): 73517760

約数和(自身を除く): 52686720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2411, 2880, 4320, 4822, 7233, 8640, 9644, 12055, 14466, 19288, 21699, 24110, 28932, 36165, 38576, 43398, 48220, 57864, 65097, 72330, 77152, 86796, 96440, 108495, 115728, 130194, 144660, 154304, 173592, 192880, 216990, 231456, 260388, 289320, 325485, 347184, 385760, 433980, 462912, 520776, 578640, 650970, 694368, 771520, 867960, 1041552, 1157280, 1301940, 1388736, 1735920, 2083104, 2314560, 2603880, 3471840, 4166208, 5207760, 6943680, 10415520, 20831040]

約数ペア:

[(1, 20831040), (2, 10415520), (3, 6943680), (4, 5207760), (5, 4166208), (6, 3471840), (8, 2603880), (9, 2314560), (10, 2083104), (12, 1735920), (15, 1388736), (16, 1301940), (18, 1157280), (20, 1041552), (24, 867960), (27, 771520), (30, 694368), (32, 650970), (36, 578640), (40, 520776), (45, 462912), (48, 433980), (54, 385760), (60, 347184), (64, 325485), (72, 289320), (80, 260388), (90, 231456), (96, 216990), (108, 192880), (120, 173592), (135, 154304), (144, 144660), (160, 130194), (180, 115728), (192, 108495), (216, 96440), (240, 86796), (270, 77152), (288, 72330), (320, 65097), (360, 57864), (432, 48220), (480, 43398), (540, 38576), (576, 36165), (720, 28932), (864, 24110), (960, 21699), (1080, 19288), (1440, 14466), (1728, 12055), (2160, 9644), (2411, 8640), (2880, 7233), (4320, 4822)]