20091781136

素因数分解:

$2^4\times 7^1\times {\mathrm{179390903}}^1$

素因数の和:179390918

約数の個数: 20

約数和(自身を含む): 44488944192

約数和(自身を除く): 24397163056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179390903, 358781806, 717563612, 1255736321, 1435127224, 2511472642, 2870254448, 5022945284, 10045890568, 20091781136]

約数ペア:

[(1, 20091781136), (2, 10045890568), (4, 5022945284), (7, 2870254448), (8, 2511472642), (14, 1435127224), (16, 1255736321), (28, 717563612), (56, 358781806), (112, 179390903)]