20519306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6781}}^1$

素因数の和:6889

約数の個数: 16

約数和(自身を含む): 32960520

約数和(自身を除く): 12441214

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6781, 13562, 115277, 230554, 603509, 1207018, 10259653, 20519306]

約数ペア:

[(1, 20519306), (2, 10259653), (17, 1207018), (34, 603509), (89, 230554), (178, 115277), (1513, 13562), (3026, 6781)]