20395613

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 25390080

約数和(自身を除く): 4994467

約数列:

[1, 7, 29, 31, 49, 203, 217, 463, 899, 1421, 1519, 3241, 6293, 13427, 14353, 22687, 44051, 93989, 100471, 416237, 657923, 703297, 2913659, 20395613]

約数ペア:

[(1, 20395613), (7, 2913659), (29, 703297), (31, 657923), (49, 416237), (203, 100471), (217, 93989), (463, 44051), (899, 22687), (1421, 14353), (1519, 13427), (3241, 6293)]