20187765549

素因数分解:

$3^2\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{210401}}^1$

素因数の和:211937

約数の個数: 24

約数和(自身を含む): 33347875392

約数和(自身を除く): 13160109843

約数列:

[1, 3, 7, 9, 21, 63, 1523, 4569, 10661, 13707, 31983, 95949, 210401, 631203, 1472807, 1893609, 4418421, 13255263, 320440723, 961322169, 2243085061, 2883966507, 6729255183, 20187765549]

約数ペア:

[(1, 20187765549), (3, 6729255183), (7, 2883966507), (9, 2243085061), (21, 961322169), (63, 320440723), (1523, 13255263), (4569, 4418421), (10661, 1893609), (13707, 1472807), (31983, 631203), (95949, 210401)]