20215574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{673}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 31737312

約数和(自身を除く): 11521738

約数列:

[1, 2, 23, 46, 653, 673, 1306, 1346, 15019, 15479, 30038, 30958, 439469, 878938, 10107787, 20215574]

約数ペア:

[(1, 20215574), (2, 10107787), (23, 878938), (46, 439469), (653, 30958), (673, 30038), (1306, 15479), (1346, 15019)]