20950804

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17401}}^1$

素因数の和:17455

約数の個数: 24

約数和(自身を含む): 42878528

約数和(自身を除く): 21927724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17401, 34802, 69604, 121807, 243614, 487228, 748243, 1496486, 2992972, 5237701, 10475402, 20950804]

約数ペア:

[(1, 20950804), (2, 10475402), (4, 5237701), (7, 2992972), (14, 1496486), (28, 748243), (43, 487228), (86, 243614), (172, 121807), (301, 69604), (602, 34802), (1204, 17401)]