420020200312

素因数分解:

$2^3\times {\mathrm{27689}}^1\times {\mathrm{1896151}}^1$

素因数の和:1923846

約数の個数: 16

約数和(自身を含む): 787566733200

約数和(自身を除く): 367546532888

約数列:

[1, 2, 4, 8, 27689, 55378, 110756, 221512, 1896151, 3792302, 7584604, 15169208, 52502525039, 105005050078, 210010100156, 420020200312]

約数ペア:

[(1, 420020200312), (2, 210010100156), (4, 105005050078), (8, 52502525039), (27689, 15169208), (55378, 7584604), (110756, 3792302), (221512, 1896151)]