20159667423

素因数分解:

$3^4\times 7^1\times {\mathrm{35554969}}^1$

素因数の和:35554988

約数の個数: 20

約数和(自身を含む): 34417210960

約数和(自身を除く): 14257543537

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35554969, 106664907, 248884783, 319994721, 746654349, 959984163, 2239963047, 2879952489, 6719889141, 20159667423]

約数ペア:

[(1, 20159667423), (3, 6719889141), (7, 2879952489), (9, 2239963047), (21, 959984163), (27, 746654349), (63, 319994721), (81, 248884783), (189, 106664907), (567, 35554969)]