20877651

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1951}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 31973760

約数和(自身を除く): 11096109

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 1189, 1951, 3567, 5853, 10701, 17559, 56579, 79991, 169737, 239973, 509211, 719919, 2319739, 6959217, 20877651]

約数ペア:

[(1, 20877651), (3, 6959217), (9, 2319739), (29, 719919), (41, 509211), (87, 239973), (123, 169737), (261, 79991), (369, 56579), (1189, 17559), (1951, 10701), (3567, 5853)]