20255655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{509}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 16953945

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 379, 509, 1137, 1527, 1895, 2545, 2653, 3563, 5685, 7635, 7959, 10689, 13265, 17815, 39795, 53445, 192911, 578733, 964555, 1350377, 2893665, 4051131, 6751885, 20255655]

約数ペア:

[(1, 20255655), (3, 6751885), (5, 4051131), (7, 2893665), (15, 1350377), (21, 964555), (35, 578733), (105, 192911), (379, 53445), (509, 39795), (1137, 17815), (1527, 13265), (1895, 10689), (2545, 7959), (2653, 7635), (3563, 5685)]