20727811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1422

約数の個数: 16

約数和(自身を含む): 23986368

約数和(自身を除く): 3258557

約数列:

[1, 13, 17, 71, 221, 923, 1207, 1321, 15691, 17173, 22457, 93791, 291941, 1219283, 1594447, 20727811]

約数ペア:

[(1, 20727811), (13, 1594447), (17, 1219283), (71, 291941), (221, 93791), (923, 22457), (1207, 17173), (1321, 15691)]