20237740

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5653}}^1$

素因数の和:5841

約数の個数: 24

約数和(自身を含む): 42744240

約数和(自身を除く): 22506500

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5653, 11306, 22612, 28265, 56530, 113060, 1011887, 2023774, 4047548, 5059435, 10118870, 20237740]

約数ペア:

[(1, 20237740), (2, 10118870), (4, 5059435), (5, 4047548), (10, 2023774), (20, 1011887), (179, 113060), (358, 56530), (716, 28265), (895, 22612), (1790, 11306), (3580, 5653)]