15352820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109663}}^1$

素因数の和:109679

約数の個数: 24

約数和(自身を含む): 36847104

約数和(自身を除く): 21494284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 109663, 219326, 438652, 548315, 767641, 1096630, 1535282, 2193260, 3070564, 3838205, 7676410, 15352820]

約数ペア:

[(1, 15352820), (2, 7676410), (4, 3838205), (5, 3070564), (7, 2193260), (10, 1535282), (14, 1096630), (20, 767641), (28, 548315), (35, 438652), (70, 219326), (140, 109663)]