20684344

素因数分解:

$2^3\times {\mathrm{1597}}^1\times {\mathrm{1619}}^1$

素因数の和:3222

約数の個数: 16

約数和(自身を含む): 38831400

約数和(自身を除く): 18147056

約数列:

[1, 2, 4, 8, 1597, 1619, 3194, 3238, 6388, 6476, 12776, 12952, 2585543, 5171086, 10342172, 20684344]

約数ペア:

[(1, 20684344), (2, 10342172), (4, 5171086), (8, 2585543), (1597, 12952), (1619, 12776), (3194, 6476), (3238, 6388)]