20090470

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1789}}^1$

素因数の和:2919

約数の個数: 16

約数和(自身を含む): 36215280

約数和(自身を除く): 16124810

約数列:

[1, 2, 5, 10, 1123, 1789, 2246, 3578, 5615, 8945, 11230, 17890, 2009047, 4018094, 10045235, 20090470]

約数ペア:

[(1, 20090470), (2, 10045235), (5, 4018094), (10, 2009047), (1123, 17890), (1789, 11230), (2246, 8945), (3578, 5615)]