20343824

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12589}}^1$

素因数の和:12698

約数の個数: 20

約数和(自身を含む): 39809580

約数和(自身を除く): 19465756

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12589, 25178, 50356, 100712, 201424, 1271489, 2542978, 5085956, 10171912, 20343824]

約数ペア:

[(1, 20343824), (2, 10171912), (4, 5085956), (8, 2542978), (16, 1271489), (101, 201424), (202, 100712), (404, 50356), (808, 25178), (1616, 12589)]