20904966

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3058

約数の個数: 40

約数和(自身を含む): 47947944

約数和(自身を除く): 27042978

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 774, 1161, 2322, 3001, 3483, 6002, 6966, 9003, 18006, 27009, 54018, 81027, 129043, 162054, 243081, 258086, 387129, 486162, 774258, 1161387, 2322774, 3484161, 6968322, 10452483, 20904966]

約数ペア:

[(1, 20904966), (2, 10452483), (3, 6968322), (6, 3484161), (9, 2322774), (18, 1161387), (27, 774258), (43, 486162), (54, 387129), (81, 258086), (86, 243081), (129, 162054), (162, 129043), (258, 81027), (387, 54018), (774, 27009), (1161, 18006), (2322, 9003), (3001, 6966), (3483, 6002)]