20776545

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11261}}^1$

素因数の和:11313

約数の個数: 24

約数和(自身を含む): 36894312

約数和(自身を除く): 16117767

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11261, 33783, 56305, 101349, 168915, 461701, 506745, 1385103, 2308505, 4155309, 6925515, 20776545]

約数ペア:

[(1, 20776545), (3, 6925515), (5, 4155309), (9, 2308505), (15, 1385103), (41, 506745), (45, 461701), (123, 168915), (205, 101349), (369, 56305), (615, 33783), (1845, 11261)]