20659436

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17159}}^1$

素因数の和:17213

約数の個数: 24

約数和(自身を含む): 42282240

約数和(自身を除く): 21622804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17159, 34318, 68636, 120113, 240226, 480452, 737837, 1475674, 2951348, 5164859, 10329718, 20659436]

約数ペア:

[(1, 20659436), (2, 10329718), (4, 5164859), (7, 2951348), (14, 1475674), (28, 737837), (43, 480452), (86, 240226), (172, 120113), (301, 68636), (602, 34318), (1204, 17159)]