20565545121

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{663683}}^1$

素因数の和:664013

約数の個数: 24

約数和(自身を含む): 32509897056

約数和(自身を除く): 11944351935

約数列:

[1, 3, 9, 11, 33, 99, 313, 939, 2817, 3443, 10329, 30987, 663683, 1991049, 5973147, 7300513, 21901539, 65704617, 207732779, 623198337, 1869595011, 2285060569, 6855181707, 20565545121]

約数ペア:

[(1, 20565545121), (3, 6855181707), (9, 2285060569), (11, 1869595011), (33, 623198337), (99, 207732779), (313, 65704617), (939, 21901539), (2817, 7300513), (3443, 5973147), (10329, 1991049), (30987, 663683)]