20923259651

素因数分解:

$7^3\times {\mathrm{137}}^1\times {\mathrm{445261}}^1$

素因数の和:445419

約数の個数: 16

約数和(自身を含む): 24578462400

約数和(自身を除く): 3655202749

約数列:

[1, 7, 49, 137, 343, 959, 6713, 46991, 445261, 3116827, 21817789, 61000757, 152724523, 427005299, 2989037093, 20923259651]

約数ペア:

[(1, 20923259651), (7, 2989037093), (49, 427005299), (137, 152724523), (343, 61000757), (959, 21817789), (6713, 3116827), (46991, 445261)]