20340644

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 36324288

約数和(自身を除く): 15983644

約数列:

[1, 2, 4, 83, 166, 197, 311, 332, 394, 622, 788, 1244, 16351, 25813, 32702, 51626, 61267, 65404, 103252, 122534, 245068, 5085161, 10170322, 20340644]

約数ペア:

[(1, 20340644), (2, 10170322), (4, 5085161), (83, 245068), (166, 122534), (197, 103252), (311, 65404), (332, 61267), (394, 51626), (622, 32702), (788, 25813), (1244, 16351)]