20158487728

素因数分解:

$2^4\times {\mathrm{1549}}^1\times {\mathrm{813367}}^1$

素因数の和:814924

約数の個数: 20

約数和(自身を含む): 39082332400

約数和(自身を除く): 18923844672

約数列:

[1, 2, 4, 8, 16, 1549, 3098, 6196, 12392, 24784, 813367, 1626734, 3253468, 6506936, 13013872, 1259905483, 2519810966, 5039621932, 10079243864, 20158487728]

約数ペア:

[(1, 20158487728), (2, 10079243864), (4, 5039621932), (8, 2519810966), (16, 1259905483), (1549, 13013872), (3098, 6506936), (6196, 3253468), (12392, 1626734), (24784, 813367)]