20786494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10321}}^1$

素因数の和:10395

約数の個数: 16

約数和(自身を含む): 33443280

約数和(自身を除く): 12656786

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10321, 20642, 196099, 392198, 547013, 1094026, 10393247, 20786494]

約数ペア:

[(1, 20786494), (2, 10393247), (19, 1094026), (38, 547013), (53, 392198), (106, 196099), (1007, 20642), (2014, 10321)]