20147141

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 24224640

約数和(自身を除く): 4077499

約数列:

[1, 7, 29, 61, 203, 427, 1627, 1769, 11389, 12383, 47183, 99247, 330281, 694729, 2878163, 20147141]

約数ペア:

[(1, 20147141), (7, 2878163), (29, 694729), (61, 330281), (203, 99247), (427, 47183), (1627, 12383), (1769, 11389)]