20510835

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19259}}^1$

素因数の和:19338

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 12770445

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19259, 57777, 96295, 288885, 1367389, 4102167, 6836945, 20510835]

約数ペア:

[(1, 20510835), (3, 6836945), (5, 4102167), (15, 1367389), (71, 288885), (213, 96295), (355, 57777), (1065, 19259)]