20642608

素因数分解:

$2^4\times 7^1\times {\mathrm{184309}}^1$

素因数の和:184324

約数の個数: 20

約数和(自身を含む): 45708880

約数和(自身を除く): 25066272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184309, 368618, 737236, 1290163, 1474472, 2580326, 2948944, 5160652, 10321304, 20642608]

約数ペア:

[(1, 20642608), (2, 10321304), (4, 5160652), (7, 2948944), (8, 2580326), (14, 1474472), (16, 1290163), (28, 737236), (56, 368618), (112, 184309)]