20866986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165611}}^1$

素因数の和:165626

約数の個数: 24

約数和(自身を含む): 51670944

約数和(自身を除く): 30803958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165611, 331222, 496833, 993666, 1159277, 1490499, 2318554, 2980998, 3477831, 6955662, 10433493, 20866986]

約数ペア:

[(1, 20866986), (2, 10433493), (3, 6955662), (6, 3477831), (7, 2980998), (9, 2318554), (14, 1490499), (18, 1159277), (21, 993666), (42, 496833), (63, 331222), (126, 165611)]