20031705

素因数分解:

$3^5\times 5^1\times {\mathrm{16487}}^1$

素因数の和:16507

約数の個数: 24

約数和(自身を含む): 36009792

約数和(自身を除く): 15978087

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16487, 49461, 82435, 148383, 247305, 445149, 741915, 1335447, 2225745, 4006341, 6677235, 20031705]

約数ペア:

[(1, 20031705), (3, 6677235), (5, 4006341), (9, 2225745), (15, 1335447), (27, 741915), (45, 445149), (81, 247305), (135, 148383), (243, 82435), (405, 49461), (1215, 16487)]