20349459

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 36

約数和(自身を含む): 33743736

約数和(自身を除く): 13394277

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 787, 1521, 1989, 2361, 2873, 7083, 8619, 10231, 13379, 25857, 30693, 40137, 92079, 120411, 133003, 173927, 399009, 521781, 1197027, 1565343, 2261051, 6783153, 20349459]

約数ペア:

[(1, 20349459), (3, 6783153), (9, 2261051), (13, 1565343), (17, 1197027), (39, 521781), (51, 399009), (117, 173927), (153, 133003), (169, 120411), (221, 92079), (507, 40137), (663, 30693), (787, 25857), (1521, 13379), (1989, 10231), (2361, 8619), (2873, 7083)]