20618752

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1$

素因数の和:559

約数の個数: 80

約数和(自身を含む): 51460992

約数和(自身を除く): 30842240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 512, 523, 616, 704, 896, 1046, 1232, 1408, 1792, 2092, 2464, 2816, 3584, 3661, 4184, 4928, 5632, 5753, 7322, 8368, 9856, 11506, 14644, 16736, 19712, 23012, 29288, 33472, 39424, 40271, 46024, 58576, 66944, 80542, 92048, 117152, 133888, 161084, 184096, 234304, 267776, 322168, 368192, 468608, 644336, 736384, 937216, 1288672, 1472768, 1874432, 2577344, 2945536, 5154688, 10309376, 20618752]

約数ペア:

[(1, 20618752), (2, 10309376), (4, 5154688), (7, 2945536), (8, 2577344), (11, 1874432), (14, 1472768), (16, 1288672), (22, 937216), (28, 736384), (32, 644336), (44, 468608), (56, 368192), (64, 322168), (77, 267776), (88, 234304), (112, 184096), (128, 161084), (154, 133888), (176, 117152), (224, 92048), (256, 80542), (308, 66944), (352, 58576), (448, 46024), (512, 40271), (523, 39424), (616, 33472), (704, 29288), (896, 23012), (1046, 19712), (1232, 16736), (1408, 14644), (1792, 11506), (2092, 9856), (2464, 8368), (2816, 7322), (3584, 5753), (3661, 5632), (4184, 4928)]