20090187

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19079}}^1$

素因数の和:19104

約数の個数: 20

約数和(自身を含む): 32321520

約数和(自身を除く): 12231333

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19079, 57237, 171711, 248027, 515133, 744081, 1545399, 2232243, 6696729, 20090187]

約数ペア:

[(1, 20090187), (3, 6696729), (9, 2232243), (13, 1545399), (27, 744081), (39, 515133), (81, 248027), (117, 171711), (351, 57237), (1053, 19079)]