20215262

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:5011

約数の個数: 16

約数和(自身を含む): 31816800

約数和(自身を除く): 11601538

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4909, 9818, 142361, 284722, 348539, 697078, 10107631, 20215262]

約数ペア:

[(1, 20215262), (2, 10107631), (29, 697078), (58, 348539), (71, 284722), (142, 142361), (2059, 9818), (4118, 4909)]