20413942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1381}}^1$

素因数の和:1791

約数の個数: 16

約数和(自身を含む): 32338800

約数和(自身を除く): 11924858

約数列:

[1, 2, 19, 38, 389, 778, 1381, 2762, 7391, 14782, 26239, 52478, 537209, 1074418, 10206971, 20413942]

約数ペア:

[(1, 20413942), (2, 10206971), (19, 1074418), (38, 537209), (389, 52478), (778, 26239), (1381, 14782), (2762, 7391)]