20541884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4813}}^1$

素因数の和:4925

約数の個数: 24

約数和(自身を含む): 39628848

約数和(自身を除く): 19086964

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4813, 9626, 19252, 52943, 105886, 211772, 466861, 933722, 1867444, 5135471, 10270942, 20541884]

約数ペア:

[(1, 20541884), (2, 10270942), (4, 5135471), (11, 1867444), (22, 933722), (44, 466861), (97, 211772), (194, 105886), (388, 52943), (1067, 19252), (2134, 9626), (4268, 4813)]