20866522

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{28901}}^1$

素因数の和:28941

約数の個数: 12

約数和(自身を含む): 33034986

約数和(自身を除く): 12168464

約数列:

[1, 2, 19, 38, 361, 722, 28901, 57802, 549119, 1098238, 10433261, 20866522]

約数ペア:

[(1, 20866522), (2, 10433261), (19, 1098238), (38, 549119), (361, 57802), (722, 28901)]