20021229

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6803}}^1$

素因数の和:6921

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 9916371

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6803, 20409, 61227, 183681, 741527, 2224581, 6673743, 20021229]

約数ペア:

[(1, 20021229), (3, 6673743), (9, 2224581), (27, 741527), (109, 183681), (327, 61227), (981, 20409), (2943, 6803)]