20320970

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10529}}^1$

素因数の和:10729

約数の個数: 16

約数和(自身を含む): 36770760

約数和(自身を除く): 16449790

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 10529, 21058, 52645, 105290, 2032097, 4064194, 10160485, 20320970]

約数ペア:

[(1, 20320970), (2, 10160485), (5, 4064194), (10, 2032097), (193, 105290), (386, 52645), (965, 21058), (1930, 10529)]