12920272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47501}}^1$

素因数の和:47526

約数の個数: 20

約数和(自身を含む): 26506116

約数和(自身を除く): 13585844

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 47501, 95002, 190004, 380008, 760016, 807517, 1615034, 3230068, 6460136, 12920272]

約数ペア:

[(1, 12920272), (2, 6460136), (4, 3230068), (8, 1615034), (16, 807517), (17, 760016), (34, 380008), (68, 190004), (136, 95002), (272, 47501)]