20510336

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2113

約数の個数: 64

約数和(自身を含む): 50967360

約数和(自身を除く): 30457024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2081, 2464, 4162, 4928, 8324, 9856, 14567, 16648, 22891, 29134, 33296, 45782, 58268, 66592, 91564, 116536, 133184, 160237, 183128, 233072, 266368, 320474, 366256, 466144, 640948, 732512, 932288, 1281896, 1465024, 1864576, 2563792, 2930048, 5127584, 10255168, 20510336]

約数ペア:

[(1, 20510336), (2, 10255168), (4, 5127584), (7, 2930048), (8, 2563792), (11, 1864576), (14, 1465024), (16, 1281896), (22, 932288), (28, 732512), (32, 640948), (44, 466144), (56, 366256), (64, 320474), (77, 266368), (88, 233072), (112, 183128), (128, 160237), (154, 133184), (176, 116536), (224, 91564), (308, 66592), (352, 58268), (448, 45782), (616, 33296), (704, 29134), (896, 22891), (1232, 16648), (1408, 14567), (2081, 9856), (2464, 8324), (4162, 4928)]