20303360

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 61281792

約数和(自身を除く): 40978432

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 103, 110, 112, 128, 140, 154, 160, 176, 206, 220, 224, 256, 280, 308, 320, 352, 385, 412, 440, 448, 512, 515, 560, 616, 640, 704, 721, 770, 824, 880, 896, 1030, 1120, 1133, 1232, 1280, 1408, 1442, 1540, 1648, 1760, 1792, 2060, 2240, 2266, 2464, 2560, 2816, 2884, 3080, 3296, 3520, 3584, 3605, 4120, 4480, 4532, 4928, 5632, 5665, 5768, 6160, 6592, 7040, 7210, 7931, 8240, 8960, 9064, 9856, 11330, 11536, 12320, 13184, 14080, 14420, 15862, 16480, 17920, 18128, 19712, 22660, 23072, 24640, 26368, 28160, 28840, 31724, 32960, 36256, 39424, 39655, 45320, 46144, 49280, 52736, 57680, 63448, 65920, 72512, 79310, 90640, 92288, 98560, 115360, 126896, 131840, 145024, 158620, 181280, 184576, 197120, 230720, 253792, 263680, 290048, 317240, 362560, 369152, 461440, 507584, 580096, 634480, 725120, 922880, 1015168, 1268960, 1450240, 1845760, 2030336, 2537920, 2900480, 4060672, 5075840, 10151680, 20303360]

約数ペア:

[(1, 20303360), (2, 10151680), (4, 5075840), (5, 4060672), (7, 2900480), (8, 2537920), (10, 2030336), (11, 1845760), (14, 1450240), (16, 1268960), (20, 1015168), (22, 922880), (28, 725120), (32, 634480), (35, 580096), (40, 507584), (44, 461440), (55, 369152), (56, 362560), (64, 317240), (70, 290048), (77, 263680), (80, 253792), (88, 230720), (103, 197120), (110, 184576), (112, 181280), (128, 158620), (140, 145024), (154, 131840), (160, 126896), (176, 115360), (206, 98560), (220, 92288), (224, 90640), (256, 79310), (280, 72512), (308, 65920), (320, 63448), (352, 57680), (385, 52736), (412, 49280), (440, 46144), (448, 45320), (512, 39655), (515, 39424), (560, 36256), (616, 32960), (640, 31724), (704, 28840), (721, 28160), (770, 26368), (824, 24640), (880, 23072), (896, 22660), (1030, 19712), (1120, 18128), (1133, 17920), (1232, 16480), (1280, 15862), (1408, 14420), (1442, 14080), (1540, 13184), (1648, 12320), (1760, 11536), (1792, 11330), (2060, 9856), (2240, 9064), (2266, 8960), (2464, 8240), (2560, 7931), (2816, 7210), (2884, 7040), (3080, 6592), (3296, 6160), (3520, 5768), (3584, 5665), (3605, 5632), (4120, 4928), (4480, 4532)]