20839986

素因数分解:

$2^1\times 3^2\times {\mathrm{233}}^1\times {\mathrm{4969}}^1$

素因数の和:5210

約数の個数: 24

約数和(自身を含む): 45356220

約数和(自身を除く): 24516234

約数列:

[1, 2, 3, 6, 9, 18, 233, 466, 699, 1398, 2097, 4194, 4969, 9938, 14907, 29814, 44721, 89442, 1157777, 2315554, 3473331, 6946662, 10419993, 20839986]

約数ペア:

[(1, 20839986), (2, 10419993), (3, 6946662), (6, 3473331), (9, 2315554), (18, 1157777), (233, 89442), (466, 44721), (699, 29814), (1398, 14907), (2097, 9938), (4194, 4969)]