20804985369

素因数分解:

$3^2\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{314213}}^1$

素因数の和:315277

約数の個数: 24

約数和(自身を含む): 34377525312

約数和(自身を除く): 13572539943

約数列:

[1, 3, 7, 9, 21, 63, 1051, 3153, 7357, 9459, 22071, 66213, 314213, 942639, 2199491, 2827917, 6598473, 19795419, 330237863, 990713589, 2311665041, 2972140767, 6934995123, 20804985369]

約数ペア:

[(1, 20804985369), (3, 6934995123), (7, 2972140767), (9, 2311665041), (21, 990713589), (63, 330237863), (1051, 19795419), (3153, 6598473), (7357, 2827917), (9459, 2199491), (22071, 942639), (66213, 314213)]