20005141

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 23018688

約数和(自身を除く): 3013547

約数列:

[1, 13, 17, 131, 221, 691, 1703, 2227, 8983, 11747, 28951, 90521, 152711, 1176773, 1538857, 20005141]

約数ペア:

[(1, 20005141), (13, 1538857), (17, 1176773), (131, 152711), (221, 90521), (691, 28951), (1703, 11747), (2227, 8983)]