20342810864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66917141}}^1$

素因数の和:66917168

約数の個数: 20

約数和(自身を含む): 41488628040

約数和(自身を除く): 21145817176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66917141, 133834282, 267668564, 535337128, 1070674256, 1271425679, 2542851358, 5085702716, 10171405432, 20342810864]

約数ペア:

[(1, 20342810864), (2, 10171405432), (4, 5085702716), (8, 2542851358), (16, 1271425679), (19, 1070674256), (38, 535337128), (76, 267668564), (152, 133834282), (304, 66917141)]