20298964

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9931}}^1$

素因数の和:10015

約数の個数: 24

約数和(自身を含む): 41158208

約数和(自身を除く): 20859244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9931, 19862, 39724, 69517, 139034, 278068, 724963, 1449926, 2899852, 5074741, 10149482, 20298964]

約数ペア:

[(1, 20298964), (2, 10149482), (4, 5074741), (7, 2899852), (14, 1449926), (28, 724963), (73, 278068), (146, 139034), (292, 69517), (511, 39724), (1022, 19862), (2044, 9931)]