20370140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145501}}^1$

素因数の和:145517

約数の個数: 24

約数和(自身を含む): 48888672

約数和(自身を除く): 28518532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145501, 291002, 582004, 727505, 1018507, 1455010, 2037014, 2910020, 4074028, 5092535, 10185070, 20370140]

約数ペア:

[(1, 20370140), (2, 10185070), (4, 5092535), (5, 4074028), (7, 2910020), (10, 2037014), (14, 1455010), (20, 1018507), (28, 727505), (35, 582004), (70, 291002), (140, 145501)]