20121388276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6825437}}^1$

素因数の和:6825519

約数の個数: 24

約数和(自身を含む): 38986901856

約数和(自身を除く): 18865513580

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6825437, 13650874, 27301748, 75079807, 150159614, 300319228, 457304279, 914608558, 1829217116, 5030347069, 10060694138, 20121388276]

約数ペア:

[(1, 20121388276), (2, 10060694138), (4, 5030347069), (11, 1829217116), (22, 914608558), (44, 457304279), (67, 300319228), (134, 150159614), (268, 75079807), (737, 27301748), (1474, 13650874), (2948, 6825437)]