20803149

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3251}}^1$

素因数の和:3342

約数の個数: 20

約数和(自身を含む): 31479360

約数和(自身を除く): 10676211

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 3251, 6399, 9753, 29259, 87777, 256829, 263331, 770487, 2311461, 6934383, 20803149]

約数ペア:

[(1, 20803149), (3, 6934383), (9, 2311461), (27, 770487), (79, 263331), (81, 256829), (237, 87777), (711, 29259), (2133, 9753), (3251, 6399)]