20139435

素因数分解:

$3^4\times 5^1\times {\mathrm{49727}}^1$

素因数の和:49744

約数の個数: 20

約数和(自身を含む): 36102528

約数和(自身を除く): 15963093

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49727, 149181, 248635, 447543, 745905, 1342629, 2237715, 4027887, 6713145, 20139435]

約数ペア:

[(1, 20139435), (3, 6713145), (5, 4027887), (9, 2237715), (15, 1342629), (27, 745905), (45, 447543), (81, 248635), (135, 149181), (405, 49727)]