20160657412

素因数分解:

$2^2\times 7^2\times {\mathrm{102860497}}^1$

素因数の和:102860515

約数の個数: 18

約数和(自身を含む): 41041338702

約数和(自身を除く): 20880681290

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102860497, 205720994, 411441988, 720023479, 1440046958, 2880093916, 5040164353, 10080328706, 20160657412]

約数ペア:

[(1, 20160657412), (2, 10080328706), (4, 5040164353), (7, 2880093916), (14, 1440046958), (28, 720023479), (49, 411441988), (98, 205720994), (196, 102860497)]