20355274

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4943}}^1$

素因数の和:5045

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 11681846

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4943, 9886, 143347, 286694, 350953, 701906, 10177637, 20355274]

約数ペア:

[(1, 20355274), (2, 10177637), (29, 701906), (58, 350953), (71, 286694), (142, 143347), (2059, 9886), (4118, 4943)]