15605620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4787}}^1$

素因数の和:4959

約数の個数: 24

約数和(自身を含む): 32979744

約数和(自身を除く): 17374124

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4787, 9574, 19148, 23935, 47870, 95740, 780281, 1560562, 3121124, 3901405, 7802810, 15605620]

約数ペア:

[(1, 15605620), (2, 7802810), (4, 3901405), (5, 3121124), (10, 1560562), (20, 780281), (163, 95740), (326, 47870), (652, 23935), (815, 19148), (1630, 9574), (3260, 4787)]