20940952

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8363}}^1$

素因数の和:8682

約数の個数: 16

約数和(自身を含む): 39394440

約数和(自身を除く): 18453488

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8363, 16726, 33452, 66904, 2617619, 5235238, 10470476, 20940952]

約数ペア:

[(1, 20940952), (2, 10470476), (4, 5235238), (8, 2617619), (313, 66904), (626, 33452), (1252, 16726), (2504, 8363)]