20973177

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 31674240

約数和(自身を除く): 10701063

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 751, 963, 2253, 3103, 6759, 9309, 21779, 27927, 65337, 80357, 196011, 241071, 723213, 2330353, 6991059, 20973177]

約数ペア:

[(1, 20973177), (3, 6991059), (9, 2330353), (29, 723213), (87, 241071), (107, 196011), (261, 80357), (321, 65337), (751, 27927), (963, 21779), (2253, 9309), (3103, 6759)]