20728190016

素因数分解:

$2^6\times 3^2\times {\mathrm{157}}^1\times {\mathrm{229213}}^1$

素因数の和:229388

約数の個数: 84

約数和(自身を含む): 59792305612

約数和(自身を除く): 39064115596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 157, 192, 288, 314, 471, 576, 628, 942, 1256, 1413, 1884, 2512, 2826, 3768, 5024, 5652, 7536, 10048, 11304, 15072, 22608, 30144, 45216, 90432, 229213, 458426, 687639, 916852, 1375278, 1833704, 2062917, 2750556, 3667408, 4125834, 5501112, 7334816, 8251668, 11002224, 14669632, 16503336, 22004448, 33006672, 35986441, 44008896, 66013344, 71972882, 107959323, 132026688, 143945764, 215918646, 287891528, 323877969, 431837292, 575783056, 647755938, 863674584, 1151566112, 1295511876, 1727349168, 2303132224, 2591023752, 3454698336, 5182047504, 6909396672, 10364095008, 20728190016]

約数ペア:

[(1, 20728190016), (2, 10364095008), (3, 6909396672), (4, 5182047504), (6, 3454698336), (8, 2591023752), (9, 2303132224), (12, 1727349168), (16, 1295511876), (18, 1151566112), (24, 863674584), (32, 647755938), (36, 575783056), (48, 431837292), (64, 323877969), (72, 287891528), (96, 215918646), (144, 143945764), (157, 132026688), (192, 107959323), (288, 71972882), (314, 66013344), (471, 44008896), (576, 35986441), (628, 33006672), (942, 22004448), (1256, 16503336), (1413, 14669632), (1884, 11002224), (2512, 8251668), (2826, 7334816), (3768, 5501112), (5024, 4125834), (5652, 3667408), (7536, 2750556), (10048, 2062917), (11304, 1833704), (15072, 1375278), (22608, 916852), (30144, 687639), (45216, 458426), (90432, 229213)]