20168236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3499}}^1$

素因数の和:3645

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 18639764

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3499, 5764, 6998, 13996, 38489, 76978, 153956, 458369, 916738, 1833476, 5042059, 10084118, 20168236]

約数ペア:

[(1, 20168236), (2, 10084118), (4, 5042059), (11, 1833476), (22, 916738), (44, 458369), (131, 153956), (262, 76978), (524, 38489), (1441, 13996), (2882, 6998), (3499, 5764)]