20748678

素因数分解:

$2^1\times 3^1\times {\mathrm{491}}^1\times {\mathrm{7043}}^1$

素因数の和:7539

約数の個数: 16

約数和(自身を含む): 41587776

約数和(自身を除く): 20839098

約数列:

[1, 2, 3, 6, 491, 982, 1473, 2946, 7043, 14086, 21129, 42258, 3458113, 6916226, 10374339, 20748678]

約数ペア:

[(1, 20748678), (2, 10374339), (3, 6916226), (6, 3458113), (491, 42258), (982, 21129), (1473, 14086), (2946, 7043)]