20319838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131947}}^1$

素因数の和:131967

約数の個数: 16

約数和(自身を含む): 38001024

約数和(自身を除く): 17681186

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131947, 263894, 923629, 1451417, 1847258, 2902834, 10159919, 20319838]

約数ペア:

[(1, 20319838), (2, 10159919), (7, 2902834), (11, 1847258), (14, 1451417), (22, 923629), (77, 263894), (154, 131947)]