20123157796

素因数分解:

$2^2\times 7^1\times {\mathrm{718684207}}^1$

素因数の和:718684218

約数の個数: 12

約数和(自身を含む): 40246315648

約数和(自身を除く): 20123157852

約数列:

[1, 2, 4, 7, 14, 28, 718684207, 1437368414, 2874736828, 5030789449, 10061578898, 20123157796]

約数ペア:

[(1, 20123157796), (2, 10061578898), (4, 5030789449), (7, 2874736828), (14, 1437368414), (28, 718684207)]