20945214

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27061}}^1$

素因数の和:27112

約数の個数: 24

約数和(自身を含む): 46438392

約数和(自身を除く): 25493178

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27061, 54122, 81183, 162366, 243549, 487098, 1163623, 2327246, 3490869, 6981738, 10472607, 20945214]

約数ペア:

[(1, 20945214), (2, 10472607), (3, 6981738), (6, 3490869), (9, 2327246), (18, 1163623), (43, 487098), (86, 243549), (129, 162366), (258, 81183), (387, 54122), (774, 27061)]