20039229

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1777}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 33284160

約数和(自身を除く): 13244931

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 1777, 3759, 5331, 11277, 12439, 15993, 37317, 111951, 318083, 954249, 2226581, 2862747, 6679743, 20039229]

約数ペア:

[(1, 20039229), (3, 6679743), (7, 2862747), (9, 2226581), (21, 954249), (63, 318083), (179, 111951), (537, 37317), (1253, 15993), (1611, 12439), (1777, 11277), (3759, 5331)]