20397339

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{601}}^1$

素因数の和:1032

約数の個数: 20

約数和(自身を含む): 30593640

約数和(自身を除く): 10196301

約数列:

[1, 3, 9, 27, 81, 419, 601, 1257, 1803, 3771, 5409, 11313, 16227, 33939, 48681, 251819, 755457, 2266371, 6799113, 20397339]

約数ペア:

[(1, 20397339), (3, 6799113), (9, 2266371), (27, 755457), (81, 251819), (419, 48681), (601, 33939), (1257, 16227), (1803, 11313), (3771, 5409)]