20289315

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19051}}^1$

素因数の和:19130

約数の個数: 16

約数和(自身を含む): 32921856

約数和(自身を除く): 12632541

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19051, 57153, 95255, 285765, 1352621, 4057863, 6763105, 20289315]

約数ペア:

[(1, 20289315), (3, 6763105), (5, 4057863), (15, 1352621), (71, 285765), (213, 95255), (355, 57153), (1065, 19051)]