20120269826

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1\times {\mathrm{69247}}^1$

素因数の和:70489

約数の個数: 16

約数和(自身を含む): 30438650880

約数和(自身を除く): 10318381054

約数列:

[1, 2, 131, 262, 1109, 2218, 69247, 138494, 145279, 290558, 9071357, 18142714, 76794923, 153589846, 10060134913, 20120269826]

約数ペア:

[(1, 20120269826), (2, 10060134913), (131, 153589846), (262, 76794923), (1109, 18142714), (2218, 9071357), (69247, 290558), (138494, 145279)]