20843445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11677}}^1$

素因数の和:11709

約数の個数: 32

約数和(自身を含む): 40359168

約数和(自身を除く): 19515723

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11677, 35031, 58385, 81739, 175155, 198509, 245217, 408695, 595527, 992545, 1226085, 1389563, 2977635, 4168689, 6947815, 20843445]

約数ペア:

[(1, 20843445), (3, 6947815), (5, 4168689), (7, 2977635), (15, 1389563), (17, 1226085), (21, 992545), (35, 595527), (51, 408695), (85, 245217), (105, 198509), (119, 175155), (255, 81739), (357, 58385), (595, 35031), (1785, 11677)]