20985399765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{186761}}^1$

素因数の和:187010

約数の個数: 48

約数和(自身を含む): 39856504896

約数和(自身を除く): 18871105131

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 227, 495, 681, 1135, 2043, 2497, 3405, 7491, 10215, 12485, 22473, 37455, 112365, 186761, 560283, 933805, 1680849, 2054371, 2801415, 6163113, 8404245, 10271855, 18489339, 30815565, 42394747, 92446695, 127184241, 211973735, 381552723, 466342217, 635921205, 1399026651, 1907763615, 2331711085, 4197079953, 6995133255, 20985399765]

約数ペア:

[(1, 20985399765), (3, 6995133255), (5, 4197079953), (9, 2331711085), (11, 1907763615), (15, 1399026651), (33, 635921205), (45, 466342217), (55, 381552723), (99, 211973735), (165, 127184241), (227, 92446695), (495, 42394747), (681, 30815565), (1135, 18489339), (2043, 10271855), (2497, 8404245), (3405, 6163113), (7491, 2801415), (10215, 2054371), (12485, 1680849), (22473, 933805), (37455, 560283), (112365, 186761)]