20680528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117503}}^1$

素因数の和:117522

約数の個数: 20

約数和(自身を含む): 43711488

約数和(自身を除く): 23030960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117503, 235006, 470012, 940024, 1292533, 1880048, 2585066, 5170132, 10340264, 20680528]

約数ペア:

[(1, 20680528), (2, 10340264), (4, 5170132), (8, 2585066), (11, 1880048), (16, 1292533), (22, 940024), (44, 470012), (88, 235006), (176, 117503)]