20894907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1579}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 30487680

約数和(自身を除く): 9592773

約数列:

[1, 3, 11, 33, 401, 1203, 1579, 4411, 4737, 13233, 17369, 52107, 633179, 1899537, 6964969, 20894907]

約数ペア:

[(1, 20894907), (3, 6964969), (11, 1899537), (33, 633179), (401, 52107), (1203, 17369), (1579, 13233), (4411, 4737)]