20923082901

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3046903}}^1$

素因数の和:3047025

約数の個数: 24

約数和(自身を含む): 34856581760

約数和(自身を除く): 13933498859

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 3046903, 9140709, 21328321, 27422127, 63984963, 191954889, 332112427, 996337281, 2324786989, 2989011843, 6974360967, 20923082901]

約数ペア:

[(1, 20923082901), (3, 6974360967), (7, 2989011843), (9, 2324786989), (21, 996337281), (63, 332112427), (109, 191954889), (327, 63984963), (763, 27422127), (981, 21328321), (2289, 9140709), (6867, 3046903)]