20538177

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 31153920

約数和(自身を除く): 10615743

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 1951, 3509, 5853, 10527, 21461, 56579, 64383, 169737, 236071, 622369, 708213, 1867107, 6846059, 20538177]

約数ペア:

[(1, 20538177), (3, 6846059), (11, 1867107), (29, 708213), (33, 622369), (87, 236071), (121, 169737), (319, 64383), (363, 56579), (957, 21461), (1951, 10527), (3509, 5853)]