20159405

素因数分解:

$5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3449}}^1$

素因数の和:3628

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 7661395

約数列:

[1, 5, 7, 35, 167, 835, 1169, 3449, 5845, 17245, 24143, 120715, 575983, 2879915, 4031881, 20159405]

約数ペア:

[(1, 20159405), (5, 4031881), (7, 2879915), (35, 575983), (167, 120715), (835, 24143), (1169, 17245), (3449, 5845)]