20155702959

素因数分解:

$3^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{84437}}^1$

素因数の和:84877

約数の個数: 40

約数和(自身を含む): 34492585248

約数和(自身を除く): 14336882289

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 421, 567, 1263, 2947, 3789, 8841, 11367, 26523, 34101, 79569, 84437, 238707, 253311, 591059, 759933, 1773177, 2279799, 5319531, 6839397, 15958593, 35547977, 47875779, 106643931, 248835839, 319931793, 746507517, 959795379, 2239522551, 2879386137, 6718567653, 20155702959]

約数ペア:

[(1, 20155702959), (3, 6718567653), (7, 2879386137), (9, 2239522551), (21, 959795379), (27, 746507517), (63, 319931793), (81, 248835839), (189, 106643931), (421, 47875779), (567, 35547977), (1263, 15958593), (2947, 6839397), (3789, 5319531), (8841, 2279799), (11367, 1773177), (26523, 759933), (34101, 591059), (79569, 253311), (84437, 238707)]