20370519

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4111

約数の個数: 24

約数和(自身を含む): 32432400

約数和(自身を除く): 12061881

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4049, 5031, 12147, 36441, 52637, 157911, 174107, 473733, 522321, 1566963, 2263391, 6790173, 20370519]

約数ペア:

[(1, 20370519), (3, 6790173), (9, 2263391), (13, 1566963), (39, 522321), (43, 473733), (117, 174107), (129, 157911), (387, 52637), (559, 36441), (1677, 12147), (4049, 5031)]