20784322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 14342462

約数列:

[1, 2, 13, 26, 31, 62, 107, 214, 241, 403, 482, 806, 1391, 2782, 3133, 3317, 6266, 6634, 7471, 14942, 25787, 43121, 51574, 86242, 97123, 194246, 335231, 670462, 799397, 1598794, 10392161, 20784322]

約数ペア:

[(1, 20784322), (2, 10392161), (13, 1598794), (26, 799397), (31, 670462), (62, 335231), (107, 194246), (214, 97123), (241, 86242), (403, 51574), (482, 43121), (806, 25787), (1391, 14942), (2782, 7471), (3133, 6634), (3317, 6266)]