20371540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145511}}^1$

素因数の和:145527

約数の個数: 24

約数和(自身を含む): 48892032

約数和(自身を除く): 28520492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145511, 291022, 582044, 727555, 1018577, 1455110, 2037154, 2910220, 4074308, 5092885, 10185770, 20371540]

約数ペア:

[(1, 20371540), (2, 10185770), (4, 5092885), (5, 4074308), (7, 2910220), (10, 2037154), (14, 1455110), (20, 1018577), (28, 727555), (35, 582044), (70, 291022), (140, 145511)]