20126763765

素因数分解:

$3^4\times 5^1\times {\mathrm{49695713}}^1$

素因数の和:49695730

約数の個数: 20

約数和(自身を含む): 36079088364

約数和(自身を除く): 15952324599

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49695713, 149087139, 248478565, 447261417, 745435695, 1341784251, 2236307085, 4025352753, 6708921255, 20126763765]

約数ペア:

[(1, 20126763765), (3, 6708921255), (5, 4025352753), (9, 2236307085), (15, 1341784251), (27, 745435695), (45, 447261417), (81, 248478565), (135, 149087139), (405, 49695713)]