20256404

素因数分解:

$2^2\times 7^2\times {\mathrm{103349}}^1$

素因数の和:103367

約数の個数: 18

約数和(自身を含む): 41236650

約数和(自身を除く): 20980246

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103349, 206698, 413396, 723443, 1446886, 2893772, 5064101, 10128202, 20256404]

約数ペア:

[(1, 20256404), (2, 10128202), (4, 5064101), (7, 2893772), (14, 1446886), (28, 723443), (49, 413396), (98, 206698), (196, 103349)]