20515706057

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{78341}}^1$

素因数の和:78557

約数の個数: 32

約数和(自身を含む): 27074995200

約数和(自身を除く): 6559289143

約数列:

[1, 7, 11, 19, 77, 133, 179, 209, 1253, 1463, 1969, 3401, 13783, 23807, 37411, 78341, 261877, 548387, 861751, 1488479, 6032257, 10419353, 14023039, 16373269, 98161273, 114612883, 154253429, 266437741, 1079774003, 1865064187, 2930815151, 20515706057]

約数ペア:

[(1, 20515706057), (7, 2930815151), (11, 1865064187), (19, 1079774003), (77, 266437741), (133, 154253429), (179, 114612883), (209, 98161273), (1253, 16373269), (1463, 14023039), (1969, 10419353), (3401, 6032257), (13783, 1488479), (23807, 861751), (37411, 548387), (78341, 261877)]