20627640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5209}}^1$

素因数の和:5237

約数の個数: 96

約数和(自身を含む): 73148400

約数和(自身を除く): 52520760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5209, 10418, 15627, 20836, 26045, 31254, 41672, 46881, 52090, 57299, 62508, 78135, 93762, 104180, 114598, 125016, 156270, 171897, 187524, 208360, 229196, 234405, 286495, 312540, 343794, 375048, 458392, 468810, 515691, 572990, 625080, 687588, 859485, 937620, 1031382, 1145980, 1375176, 1718970, 1875240, 2062764, 2291960, 2578455, 3437940, 4125528, 5156910, 6875880, 10313820, 20627640]

約数ペア:

[(1, 20627640), (2, 10313820), (3, 6875880), (4, 5156910), (5, 4125528), (6, 3437940), (8, 2578455), (9, 2291960), (10, 2062764), (11, 1875240), (12, 1718970), (15, 1375176), (18, 1145980), (20, 1031382), (22, 937620), (24, 859485), (30, 687588), (33, 625080), (36, 572990), (40, 515691), (44, 468810), (45, 458392), (55, 375048), (60, 343794), (66, 312540), (72, 286495), (88, 234405), (90, 229196), (99, 208360), (110, 187524), (120, 171897), (132, 156270), (165, 125016), (180, 114598), (198, 104180), (220, 93762), (264, 78135), (330, 62508), (360, 57299), (396, 52090), (440, 46881), (495, 41672), (660, 31254), (792, 26045), (990, 20836), (1320, 15627), (1980, 10418), (3960, 5209)]