20456722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71527}}^1$

素因数の和:71553

約数の個数: 16

約数和(自身を含む): 36050112

約数和(自身を除く): 15593390

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71527, 143054, 786797, 929851, 1573594, 1859702, 10228361, 20456722]

約数ペア:

[(1, 20456722), (2, 10228361), (11, 1859702), (13, 1573594), (22, 929851), (26, 786797), (143, 143054), (286, 71527)]