20256915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{192923}}^1$

素因数の和:192938

約数の個数: 16

約数和(自身を含む): 37041408

約数和(自身を除く): 16784493

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 192923, 578769, 964615, 1350461, 2893845, 4051383, 6752305, 20256915]

約数ペア:

[(1, 20256915), (3, 6752305), (5, 4051383), (7, 2893845), (15, 1350461), (21, 964615), (35, 578769), (105, 192923)]