20715128

素因数分解:

$2^3\times 7^1\times {\mathrm{369913}}^1$

素因数の和:369926

約数の個数: 16

約数和(自身を含む): 44389680

約数和(自身を除く): 23674552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 369913, 739826, 1479652, 2589391, 2959304, 5178782, 10357564, 20715128]

約数ペア:

[(1, 20715128), (2, 10357564), (4, 5178782), (7, 2959304), (8, 2589391), (14, 1479652), (28, 739826), (56, 369913)]