204520144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{412339}}^1$

素因数の和:412378

約数の個数: 20

約数和(自身を含む): 409041280

約数和(自身を除く): 204521136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 412339, 824678, 1649356, 3298712, 6597424, 12782509, 25565018, 51130036, 102260072, 204520144]

約数ペア:

[(1, 204520144), (2, 102260072), (4, 51130036), (8, 25565018), (16, 12782509), (31, 6597424), (62, 3298712), (124, 1649356), (248, 824678), (496, 412339)]