20348159

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 22730400

約数和(自身を除く): 2382241

約数列:

[1, 13, 43, 89, 409, 559, 1157, 3827, 5317, 17587, 36401, 49751, 228631, 473213, 1565243, 20348159]

約数ペア:

[(1, 20348159), (13, 1565243), (43, 473213), (89, 228631), (409, 49751), (559, 36401), (1157, 17587), (3827, 5317)]