20165397721

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{839}}^1\times {\mathrm{887}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 23869440000

約数和(自身を除く): 3704042279

約数列:

[1, 7, 49, 79, 343, 553, 839, 887, 3871, 5873, 6209, 27097, 41111, 43463, 66281, 70073, 287777, 304241, 463967, 490511, 744193, 3247769, 3433577, 5209351, 22734383, 24035039, 36465457, 58791247, 255258199, 411538729, 2880771103, 20165397721]

約数ペア:

[(1, 20165397721), (7, 2880771103), (49, 411538729), (79, 255258199), (343, 58791247), (553, 36465457), (839, 24035039), (887, 22734383), (3871, 5209351), (5873, 3433577), (6209, 3247769), (27097, 744193), (41111, 490511), (43463, 463967), (66281, 304241), (70073, 287777)]