20729588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1877}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 39753504

約数和(自身を除く): 19023916

約数列:

[1, 2, 4, 11, 22, 44, 251, 502, 1004, 1877, 2761, 3754, 5522, 7508, 11044, 20647, 41294, 82588, 471127, 942254, 1884508, 5182397, 10364794, 20729588]

約数ペア:

[(1, 20729588), (2, 10364794), (4, 5182397), (11, 1884508), (22, 942254), (44, 471127), (251, 82588), (502, 41294), (1004, 20647), (1877, 11044), (2761, 7508), (3754, 5522)]