20399356

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 36632960

約数和(自身を除く): 16233604

約数列:

[1, 2, 4, 67, 103, 134, 206, 268, 412, 739, 1478, 2956, 6901, 13802, 27604, 49513, 76117, 99026, 152234, 198052, 304468, 5099839, 10199678, 20399356]

約数ペア:

[(1, 20399356), (2, 10199678), (4, 5099839), (67, 304468), (103, 198052), (134, 152234), (206, 99026), (268, 76117), (412, 49513), (739, 27604), (1478, 13802), (2956, 6901)]