12051220

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1549}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 25389000

約数和(自身を除く): 13337780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1549, 1556, 1945, 3098, 3890, 6196, 7745, 7780, 15490, 30980, 602561, 1205122, 2410244, 3012805, 6025610, 12051220]

約数ペア:

[(1, 12051220), (2, 6025610), (4, 3012805), (5, 2410244), (10, 1205122), (20, 602561), (389, 30980), (778, 15490), (1549, 7780), (1556, 7745), (1945, 6196), (3098, 3890)]