20647161794

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4085311}}^1$

素因数の和:4085358

約数の個数: 24

約数和(自身を含む): 37356092928

約数和(自身を除く): 16708931134

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 4085311, 8170622, 28597177, 57194354, 77620909, 155241818, 543346363, 1086692726, 1474797271, 2949594542, 10323580897, 20647161794]

約数ペア:

[(1, 20647161794), (2, 10323580897), (7, 2949594542), (14, 1474797271), (19, 1086692726), (38, 543346363), (133, 155241818), (266, 77620909), (361, 57194354), (722, 28597177), (2527, 8170622), (5054, 4085311)]