20215702087

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2671561}}^1$

素因数の和:2671638

約数の個数: 16

約数和(自身を含む): 24621115392

約数和(自身を除く): 4405413305

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 2671561, 18700927, 61445903, 125563367, 430121321, 878943569, 2887957441, 20215702087]

約数ペア:

[(1, 20215702087), (7, 2887957441), (23, 878943569), (47, 430121321), (161, 125563367), (329, 61445903), (1081, 18700927), (7567, 2671561)]