20667393

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{5003}}^1$

素因数の和:5035

約数の個数: 24

約数和(自身を含む): 32786208

約数和(自身を除く): 12118815

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 5003, 15009, 45027, 85051, 135081, 255153, 405243, 765459, 1215729, 2296377, 6889131, 20667393]

約数ペア:

[(1, 20667393), (3, 6889131), (9, 2296377), (17, 1215729), (27, 765459), (51, 405243), (81, 255153), (153, 135081), (243, 85051), (459, 45027), (1377, 15009), (4131, 5003)]