20120367

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1637}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 28540512

約数和(自身を除く): 8420145

約数列:

[1, 3, 17, 51, 241, 723, 1637, 4097, 4911, 12291, 27829, 83487, 394517, 1183551, 6706789, 20120367]

約数ペア:

[(1, 20120367), (3, 6706789), (17, 1183551), (51, 394517), (241, 83487), (723, 27829), (1637, 12291), (4097, 4911)]