20781675138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8386471}}^1$

素因数の和:8386542

約数の個数: 32

約数和(自身を含む): 48306078720

約数和(自身を除く): 27524403582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8386471, 16772942, 25159413, 50318826, 58705297, 117410594, 176115891, 352231782, 494801789, 989603578, 1484405367, 2968810734, 3463612523, 6927225046, 10390837569, 20781675138]

約数ペア:

[(1, 20781675138), (2, 10390837569), (3, 6927225046), (6, 3463612523), (7, 2968810734), (14, 1484405367), (21, 989603578), (42, 494801789), (59, 352231782), (118, 176115891), (177, 117410594), (354, 58705297), (413, 50318826), (826, 25159413), (1239, 16772942), (2478, 8386471)]