20265590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106661}}^1$

素因数の和:106687

約数の個数: 16

約数和(自身を含む): 38398320

約数和(自身を除く): 18132730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106661, 213322, 533305, 1066610, 2026559, 4053118, 10132795, 20265590]

約数ペア:

[(1, 20265590), (2, 10132795), (5, 4053118), (10, 2026559), (19, 1066610), (38, 533305), (95, 213322), (190, 106661)]