20409876092

素因数分解:

$2^2\times {\mathrm{13147}}^1\times {\mathrm{388109}}^1$

素因数の和:401260

約数の個数: 12

約数和(自身を含む): 35720091960

約数和(自身を除く): 15310215868

約数列:

[1, 2, 4, 13147, 26294, 52588, 388109, 776218, 1552436, 5102469023, 10204938046, 20409876092]

約数ペア:

[(1, 20409876092), (2, 10204938046), (4, 5102469023), (13147, 1552436), (26294, 776218), (52588, 388109)]