20165741911

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{2683}}^1\times {\mathrm{10631}}^1$

素因数の和:13422

約数の個数: 16

約数和(自身を含む): 23285611008

約数和(自身を除く): 3119869097

約数列:

[1, 7, 101, 707, 2683, 10631, 18781, 74417, 270983, 1073731, 1896881, 7516117, 28522973, 199660811, 2880820273, 20165741911]

約数ペア:

[(1, 20165741911), (7, 2880820273), (101, 199660811), (707, 28522973), (2683, 7516117), (10631, 1896881), (18781, 1073731), (74417, 270983)]