20790959

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:950

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4368721

約数列:

[1, 7, 19, 133, 223, 701, 1561, 4237, 4907, 13319, 29659, 93233, 156323, 1094261, 2970137, 20790959]

約数ペア:

[(1, 20790959), (7, 2970137), (19, 1094261), (133, 156323), (223, 93233), (701, 29659), (1561, 13319), (4237, 4907)]