20853490560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{221657}}^1$

素因数の和:221693

約数の個数: 192

約数和(自身を含む): 77323176720

約数和(自身を除く): 56469686160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 7840, 9408, 11760, 13440, 15680, 18816, 23520, 31360, 47040, 94080, 221657, 443314, 664971, 886628, 1108285, 1329942, 1551599, 1773256, 2216570, 2659884, 3103198, 3324855, 3546512, 4433140, 4654797, 5319768, 6206396, 6649710, 7093024, 7757995, 8866280, 9309594, 10639536, 10861193, 12412792, 13299420, 14186048, 15515990, 17732560, 18619188, 21279072, 21722386, 23273985, 24825584, 26598840, 28372096, 31031980, 32583579, 35465120, 37238376, 42558144, 43444772, 46547970, 49651168, 53197680, 54305965, 62063960, 65167158, 70930240, 74476752, 85116288, 86889544, 93095940, 99302336, 106395360, 108611930, 124127920, 130334316, 141860480, 148953504, 162917895, 173779088, 186191880, 198604672, 212790720, 217223860, 248255840, 260668632, 297907008, 325835790, 347558176, 372383760, 425581440, 434447720, 496511680, 521337264, 595814016, 651671580, 695116352, 744767520, 868895440, 993023360, 1042674528, 1303343160, 1390232704, 1489535040, 1737790880, 2085349056, 2606686320, 2979070080, 3475581760, 4170698112, 5213372640, 6951163520, 10426745280, 20853490560]

約数ペア:

[(1, 20853490560), (2, 10426745280), (3, 6951163520), (4, 5213372640), (5, 4170698112), (6, 3475581760), (7, 2979070080), (8, 2606686320), (10, 2085349056), (12, 1737790880), (14, 1489535040), (15, 1390232704), (16, 1303343160), (20, 1042674528), (21, 993023360), (24, 868895440), (28, 744767520), (30, 695116352), (32, 651671580), (35, 595814016), (40, 521337264), (42, 496511680), (48, 434447720), (49, 425581440), (56, 372383760), (60, 347558176), (64, 325835790), (70, 297907008), (80, 260668632), (84, 248255840), (96, 217223860), (98, 212790720), (105, 198604672), (112, 186191880), (120, 173779088), (128, 162917895), (140, 148953504), (147, 141860480), (160, 130334316), (168, 124127920), (192, 108611930), (196, 106395360), (210, 99302336), (224, 93095940), (240, 86889544), (245, 85116288), (280, 74476752), (294, 70930240), (320, 65167158), (336, 62063960), (384, 54305965), (392, 53197680), (420, 49651168), (448, 46547970), (480, 43444772), (490, 42558144), (560, 37238376), (588, 35465120), (640, 32583579), (672, 31031980), (735, 28372096), (784, 26598840), (840, 24825584), (896, 23273985), (960, 21722386), (980, 21279072), (1120, 18619188), (1176, 17732560), (1344, 15515990), (1470, 14186048), (1568, 13299420), (1680, 12412792), (1920, 10861193), (1960, 10639536), (2240, 9309594), (2352, 8866280), (2688, 7757995), (2940, 7093024), (3136, 6649710), (3360, 6206396), (3920, 5319768), (4480, 4654797), (4704, 4433140), (5880, 3546512), (6272, 3324855), (6720, 3103198), (7840, 2659884), (9408, 2216570), (11760, 1773256), (13440, 1551599), (15680, 1329942), (18816, 1108285), (23520, 886628), (31360, 664971), (47040, 443314), (94080, 221657)]