20156607

素因数分解:

$3^5\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 30510480

約数和(自身を除く): 10353873

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 761, 981, 2283, 2943, 6849, 8829, 20547, 26487, 61641, 82949, 184923, 248847, 746541, 2239623, 6718869, 20156607]

約数ペア:

[(1, 20156607), (3, 6718869), (9, 2239623), (27, 746541), (81, 248847), (109, 184923), (243, 82949), (327, 61641), (761, 26487), (981, 20547), (2283, 8829), (2943, 6849)]