20412707

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6673}}^1$

素因数の和:6722

約数の個数: 16

約数和(自身を含む): 25628160

約数和(自身を除く): 5215453

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6673, 46711, 126787, 153479, 887509, 1074353, 2916101, 20412707]

約数ペア:

[(1, 20412707), (7, 2916101), (19, 1074353), (23, 887509), (133, 153479), (161, 126787), (437, 46711), (3059, 6673)]