20888906305

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{138241}}^1$

素因数の和:138936

約数の個数: 16

約数和(自身を含む): 25640020224

約数和(自身を除く): 4751113919

約数列:

[1, 5, 47, 235, 643, 3215, 30221, 138241, 151105, 691205, 6497327, 32486635, 88888963, 444444815, 4177781261, 20888906305]

約数ペア:

[(1, 20888906305), (5, 4177781261), (47, 444444815), (235, 88888963), (643, 32486635), (3215, 6497327), (30221, 691205), (138241, 151105)]