20201393640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{811}}^1\times {\mathrm{827}}^1$

素因数の和:1903

約数の個数: 128

約数和(自身を含む): 60994321920

約数和(自身を除く): 40792928280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 811, 827, 1004, 1255, 1506, 1622, 1654, 2008, 2433, 2481, 2510, 3012, 3244, 3308, 3765, 4055, 4135, 4866, 4962, 5020, 6024, 6488, 6616, 7530, 8110, 8270, 9732, 9924, 10040, 12165, 12405, 15060, 16220, 16540, 19464, 19848, 24330, 24810, 30120, 32440, 33080, 48660, 49620, 97320, 99240, 203561, 207577, 407122, 415154, 610683, 622731, 670697, 814244, 830308, 1017805, 1037885, 1221366, 1245462, 1341394, 1628488, 1660616, 2012091, 2035610, 2075770, 2442732, 2490924, 2682788, 3053415, 3113655, 3353485, 4024182, 4071220, 4151540, 4885464, 4981848, 5365576, 6106830, 6227310, 6706970, 8048364, 8142440, 8303080, 10060455, 12213660, 12454620, 13413940, 16096728, 20120910, 24427320, 24909240, 26827880, 40241820, 80483640, 168344947, 336689894, 505034841, 673379788, 841724735, 1010069682, 1346759576, 1683449470, 2020139364, 2525174205, 3366898940, 4040278728, 5050348410, 6733797880, 10100696820, 20201393640]

約数ペア:

[(1, 20201393640), (2, 10100696820), (3, 6733797880), (4, 5050348410), (5, 4040278728), (6, 3366898940), (8, 2525174205), (10, 2020139364), (12, 1683449470), (15, 1346759576), (20, 1010069682), (24, 841724735), (30, 673379788), (40, 505034841), (60, 336689894), (120, 168344947), (251, 80483640), (502, 40241820), (753, 26827880), (811, 24909240), (827, 24427320), (1004, 20120910), (1255, 16096728), (1506, 13413940), (1622, 12454620), (1654, 12213660), (2008, 10060455), (2433, 8303080), (2481, 8142440), (2510, 8048364), (3012, 6706970), (3244, 6227310), (3308, 6106830), (3765, 5365576), (4055, 4981848), (4135, 4885464), (4866, 4151540), (4962, 4071220), (5020, 4024182), (6024, 3353485), (6488, 3113655), (6616, 3053415), (7530, 2682788), (8110, 2490924), (8270, 2442732), (9732, 2075770), (9924, 2035610), (10040, 2012091), (12165, 1660616), (12405, 1628488), (15060, 1341394), (16220, 1245462), (16540, 1221366), (19464, 1037885), (19848, 1017805), (24330, 830308), (24810, 814244), (30120, 670697), (32440, 622731), (33080, 610683), (48660, 415154), (49620, 407122), (97320, 207577), (99240, 203561)]