20298028611

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1322261}}^1$

素因数の和:1322331

約数の個数: 32

約数和(自身を含む): 33511408128

約数和(自身を除く): 13213379517

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 15351, 1322261, 3966783, 9255827, 22478437, 27767481, 56857223, 67435311, 157349059, 170571669, 398000561, 472047177, 966572791, 1194001683, 2899718373, 6766009537, 20298028611]

約数ペア:

[(1, 20298028611), (3, 6766009537), (7, 2899718373), (17, 1194001683), (21, 966572791), (43, 472047177), (51, 398000561), (119, 170571669), (129, 157349059), (301, 67435311), (357, 56857223), (731, 27767481), (903, 22478437), (2193, 9255827), (5117, 3966783), (15351, 1322261)]