20176393909

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{330203}}^1$

素因数の和:330289

約数の個数: 24

約数和(自身を含む): 24844548960

約数和(自身を除く): 4668155051

約数列:

[1, 7, 29, 43, 49, 203, 301, 1247, 1421, 2107, 8729, 61103, 330203, 2311421, 9575887, 14198729, 16179947, 67031209, 99391103, 411763141, 469218463, 695737721, 2882341987, 20176393909]

約数ペア:

[(1, 20176393909), (7, 2882341987), (29, 695737721), (43, 469218463), (49, 411763141), (203, 99391103), (301, 67031209), (1247, 16179947), (1421, 14198729), (2107, 9575887), (8729, 2311421), (61103, 330203)]