20867752

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36739}}^1$

素因数の和:36816

約数の個数: 16

約数和(自身を含む): 39679200

約数和(自身を除く): 18811448

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36739, 73478, 146956, 293912, 2608469, 5216938, 10433876, 20867752]

約数ペア:

[(1, 20867752), (2, 10433876), (4, 5216938), (8, 2608469), (71, 293912), (142, 146956), (284, 73478), (568, 36739)]