20722293

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{677}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 31730400

約数和(自身を除く): 11008107

約数列:

[1, 3, 9, 19, 57, 171, 179, 537, 677, 1611, 2031, 3401, 6093, 10203, 12863, 30609, 38589, 115767, 121183, 363549, 1090647, 2302477, 6907431, 20722293]

約数ペア:

[(1, 20722293), (3, 6907431), (9, 2302477), (19, 1090647), (57, 363549), (171, 121183), (179, 115767), (537, 38589), (677, 30609), (1611, 12863), (2031, 10203), (3401, 6093)]