20717503496

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{1231}}^1\times {\mathrm{19661}}^1$

素因数の和:21005

約数の個数: 32

約数和(自身を含む): 39242206080

約数和(自身を除く): 18524702584

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 1231, 2462, 4924, 9848, 19661, 39322, 78644, 131717, 157288, 263434, 526868, 1053736, 2103727, 4207454, 8414908, 16829816, 24202691, 48405382, 96810764, 193621528, 2589687937, 5179375874, 10358751748, 20717503496]

約数ペア:

[(1, 20717503496), (2, 10358751748), (4, 5179375874), (8, 2589687937), (107, 193621528), (214, 96810764), (428, 48405382), (856, 24202691), (1231, 16829816), (2462, 8414908), (4924, 4207454), (9848, 2103727), (19661, 1053736), (39322, 526868), (78644, 263434), (131717, 157288)]