20168415080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1\times {\mathrm{541}}^1$

素因数の和:1195

約数の個数: 128

約数和(自身を含む): 49966329600

約数和(自身を除く): 29797914520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 220, 386, 439, 440, 541, 772, 878, 965, 1082, 1544, 1756, 1930, 2123, 2164, 2195, 2705, 3512, 3860, 4246, 4328, 4390, 4829, 5410, 5951, 7720, 8492, 8780, 9658, 10615, 10820, 11902, 16984, 17560, 19316, 21230, 21640, 23804, 24145, 29755, 38632, 42460, 47608, 48290, 59510, 84727, 84920, 96580, 104413, 119020, 169454, 193160, 208826, 237499, 238040, 338908, 417652, 423635, 474998, 522065, 677816, 835304, 847270, 931997, 949996, 1044130, 1148543, 1187495, 1694540, 1863994, 1899992, 2088260, 2297086, 2374990, 2612489, 3389080, 3727988, 4176520, 4594172, 4659985, 4749980, 5224978, 5742715, 7455976, 9188344, 9319970, 9499960, 10449956, 11485430, 13062445, 18639940, 20899912, 22970860, 26124890, 37279880, 45837307, 45941720, 52249780, 91674614, 104499560, 183349228, 229186535, 366698456, 458373070, 504210377, 916746140, 1008420754, 1833492280, 2016841508, 2521051885, 4033683016, 5042103770, 10084207540, 20168415080]

約数ペア:

[(1, 20168415080), (2, 10084207540), (4, 5042103770), (5, 4033683016), (8, 2521051885), (10, 2016841508), (11, 1833492280), (20, 1008420754), (22, 916746140), (40, 504210377), (44, 458373070), (55, 366698456), (88, 229186535), (110, 183349228), (193, 104499560), (220, 91674614), (386, 52249780), (439, 45941720), (440, 45837307), (541, 37279880), (772, 26124890), (878, 22970860), (965, 20899912), (1082, 18639940), (1544, 13062445), (1756, 11485430), (1930, 10449956), (2123, 9499960), (2164, 9319970), (2195, 9188344), (2705, 7455976), (3512, 5742715), (3860, 5224978), (4246, 4749980), (4328, 4659985), (4390, 4594172), (4829, 4176520), (5410, 3727988), (5951, 3389080), (7720, 2612489), (8492, 2374990), (8780, 2297086), (9658, 2088260), (10615, 1899992), (10820, 1863994), (11902, 1694540), (16984, 1187495), (17560, 1148543), (19316, 1044130), (21230, 949996), (21640, 931997), (23804, 847270), (24145, 835304), (29755, 677816), (38632, 522065), (42460, 474998), (47608, 423635), (48290, 417652), (59510, 338908), (84727, 238040), (84920, 237499), (96580, 208826), (104413, 193160), (119020, 169454)]