20184728031

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{42461}}^1$

素因数の和:42736

約数の個数: 48

約数和(自身を含む): 33385322880

約数和(自身を除く): 13200594849

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 239, 663, 717, 1989, 2151, 3107, 4063, 9321, 12189, 27963, 36567, 42461, 52819, 127383, 158457, 382149, 475371, 551993, 721837, 1655979, 2165511, 4967937, 6496533, 9383881, 10148179, 28151643, 30444537, 84454929, 91333611, 131926327, 172519043, 395778981, 517557129, 1187336943, 1552671387, 2242747559, 6728242677, 20184728031]

約数ペア:

[(1, 20184728031), (3, 6728242677), (9, 2242747559), (13, 1552671387), (17, 1187336943), (39, 517557129), (51, 395778981), (117, 172519043), (153, 131926327), (221, 91333611), (239, 84454929), (663, 30444537), (717, 28151643), (1989, 10148179), (2151, 9383881), (3107, 6496533), (4063, 4967937), (9321, 2165511), (12189, 1655979), (27963, 721837), (36567, 551993), (42461, 475371), (52819, 382149), (127383, 158457)]