20659173826

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{7321}}^1\times {\mathrm{21059}}^1$

素因数の和:28449

約数の個数: 16

約数和(自身を含む): 31457069280

約数和(自身を除く): 10797895454

約数列:

[1, 2, 67, 134, 7321, 14642, 21059, 42118, 490507, 981014, 1410953, 2821906, 154172939, 308345878, 10329586913, 20659173826]

約数ペア:

[(1, 20659173826), (2, 10329586913), (67, 308345878), (134, 154172939), (7321, 2821906), (14642, 1410953), (21059, 981014), (42118, 490507)]