2000820003

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{23873}}^1$

素因数の和:24203

約数の個数: 32

約数和(自身を含む): 3294230016

約数和(自身を除く): 1293410013

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 2149, 3991, 6447, 11973, 23873, 27937, 71619, 83811, 167111, 310349, 501333, 931047, 2172443, 6517329, 7329011, 21987033, 51303077, 95277143, 153909231, 285831429, 666940001, 2000820003]

約数ペア:

[(1, 2000820003), (3, 666940001), (7, 285831429), (13, 153909231), (21, 95277143), (39, 51303077), (91, 21987033), (273, 7329011), (307, 6517329), (921, 2172443), (2149, 931047), (3991, 501333), (6447, 310349), (11973, 167111), (23873, 83811), (27937, 71619)]