20818547640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1752403}}^1$

素因数の和:1752434

約数の個数: 128

約数和(自身を含む): 75703852800

約数和(自身を除く): 54885305160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 11880, 1752403, 3504806, 5257209, 7009612, 8762015, 10514418, 14019224, 15771627, 17524030, 19276433, 21028836, 26286045, 31543254, 35048060, 38552866, 42057672, 47314881, 52572090, 57829299, 63086508, 70096120, 77105732, 78858135, 94629762, 96382165, 105144180, 115658598, 126173016, 154211464, 157716270, 173487897, 189259524, 192764330, 210288360, 231317196, 236574405, 289146495, 315432540, 346975794, 378519048, 385528660, 462634392, 473148810, 520463691, 578292990, 630865080, 693951588, 771057320, 867439485, 946297620, 1040927382, 1156585980, 1387903176, 1734878970, 1892595240, 2081854764, 2313171960, 2602318455, 3469757940, 4163709528, 5204636910, 6939515880, 10409273820, 20818547640]

約数ペア:

[(1, 20818547640), (2, 10409273820), (3, 6939515880), (4, 5204636910), (5, 4163709528), (6, 3469757940), (8, 2602318455), (9, 2313171960), (10, 2081854764), (11, 1892595240), (12, 1734878970), (15, 1387903176), (18, 1156585980), (20, 1040927382), (22, 946297620), (24, 867439485), (27, 771057320), (30, 693951588), (33, 630865080), (36, 578292990), (40, 520463691), (44, 473148810), (45, 462634392), (54, 385528660), (55, 378519048), (60, 346975794), (66, 315432540), (72, 289146495), (88, 236574405), (90, 231317196), (99, 210288360), (108, 192764330), (110, 189259524), (120, 173487897), (132, 157716270), (135, 154211464), (165, 126173016), (180, 115658598), (198, 105144180), (216, 96382165), (220, 94629762), (264, 78858135), (270, 77105732), (297, 70096120), (330, 63086508), (360, 57829299), (396, 52572090), (440, 47314881), (495, 42057672), (540, 38552866), (594, 35048060), (660, 31543254), (792, 26286045), (990, 21028836), (1080, 19276433), (1188, 17524030), (1320, 15771627), (1485, 14019224), (1980, 10514418), (2376, 8762015), (2970, 7009612), (3960, 5257209), (5940, 3504806), (11880, 1752403)]