20557098

素因数分解:

$2^1\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1913}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 45936000

約数和(自身を除く): 25378902

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 199, 398, 597, 1194, 1791, 1913, 3582, 3826, 5373, 5739, 10746, 11478, 17217, 34434, 51651, 103302, 380687, 761374, 1142061, 2284122, 3426183, 6852366, 10278549, 20557098]

約数ペア:

[(1, 20557098), (2, 10278549), (3, 6852366), (6, 3426183), (9, 2284122), (18, 1142061), (27, 761374), (54, 380687), (199, 103302), (398, 51651), (597, 34434), (1194, 17217), (1791, 11478), (1913, 10746), (3582, 5739), (3826, 5373)]