20565656139

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1\times {\mathrm{25969}}^1$

素因数の和:26899

約数の個数: 32

約数和(自身を含む): 32104737280

約数和(自身を除く): 11539081141

約数列:

[1, 3, 7, 21, 43, 129, 301, 877, 903, 2631, 6139, 18417, 25969, 37711, 77907, 113133, 181783, 263977, 545349, 791931, 1116667, 3350001, 7816669, 22774813, 23450007, 68324439, 159423691, 478271073, 979316959, 2937950877, 6855218713, 20565656139]

約数ペア:

[(1, 20565656139), (3, 6855218713), (7, 2937950877), (21, 979316959), (43, 478271073), (129, 159423691), (301, 68324439), (877, 23450007), (903, 22774813), (2631, 7816669), (6139, 3350001), (18417, 1116667), (25969, 791931), (37711, 545349), (77907, 263977), (113133, 181783)]