20287670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156059}}^1$

素因数の和:156079

約数の個数: 16

約数和(自身を含む): 39327120

約数和(自身を除く): 19039450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156059, 312118, 780295, 1560590, 2028767, 4057534, 10143835, 20287670]

約数ペア:

[(1, 20287670), (2, 10143835), (5, 4057534), (10, 2028767), (13, 1560590), (26, 780295), (65, 312118), (130, 156059)]