20042874887

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{2647}}^1\times {\mathrm{3769}}^1$

素因数の和:6471

約数の個数: 24

約数和(自身を含む): 23899206240

約数和(自身を除く): 3856331353

約数列:

[1, 7, 41, 49, 287, 2009, 2647, 3769, 18529, 26383, 108527, 129703, 154529, 184681, 759689, 1081703, 5317823, 7571921, 9976543, 69835801, 409038263, 488850607, 2863267841, 20042874887]

約数ペア:

[(1, 20042874887), (7, 2863267841), (41, 488850607), (49, 409038263), (287, 69835801), (2009, 9976543), (2647, 7571921), (3769, 5317823), (18529, 1081703), (26383, 759689), (108527, 184681), (129703, 154529)]