2000405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 2692224

約数和(自身を除く): 691819

約数列:

[1, 5, 11, 37, 55, 185, 407, 983, 2035, 4915, 10813, 36371, 54065, 181855, 400081, 2000405]

約数ペア:

[(1, 2000405), (5, 400081), (11, 181855), (37, 54065), (55, 36371), (185, 10813), (407, 4915), (983, 2035)]