20588240

素因数分解:

$2^4\times 5^1\times {\mathrm{257353}}^1$

素因数の和:257366

約数の個数: 20

約数和(自身を含む): 47867844

約数和(自身を除く): 27279604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257353, 514706, 1029412, 1286765, 2058824, 2573530, 4117648, 5147060, 10294120, 20588240]

約数ペア:

[(1, 20588240), (2, 10294120), (4, 5147060), (5, 4117648), (8, 2573530), (10, 2058824), (16, 1286765), (20, 1029412), (40, 514706), (80, 257353)]